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20033002000 = 245311282781
BaseRepresentation
bin10010101010000011…
…110101101000010000
31220201010121221111001
4102222003311220100
5312011422031000
613111504431344
71306302464434
oct225203655020
956633557431
1020033002000
11855011aa00
123a71018554
131b7349114b
14d808369c4
157c3ad946a
hex4aa0f5a10

20033002000 has 120 divisors (see below), whose sum is σ = 53244389016. Its totient is φ = 7284640000.

The previous prime is 20033001997. The next prime is 20033002021. The reversal of 20033002000 is 20033002.

It can be written as a sum of positive squares in 4 ways, for example, as 3559792896 + 16473209104 = 59664^2 + 128348^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200610 + ... + 283390.

Almost surely, 220033002000 is an apocalyptic number.

20033002000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20033002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26622194508).

20033002000 is an abundant number, since it is smaller than the sum of its proper divisors (33211387016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20033002000 is a wasteful number, since it uses less digits than its factorization.

20033002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82826 (or 82799 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

Adding to 20033002000 its reverse (20033002), we get a palindrome (20053035002).

20033002000 divided by its reverse (20033002) gives a cube (1000 = 103).

It can be divided in two parts, 2003 and 3002000, that added together give a palindrome (3004003).

The spelling of 20033002000 in words is "twenty billion, thirty-three million, two thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 121 125 176 200 220 242 250 275 400 440 484 500 550 605 880 968 1000 1100 1210 1375 1936 2000 2200 2420 2750 3025 4400 4840 5500 6050 9680 11000 12100 15125 22000 24200 30250 48400 60500 82781 121000 165562 242000 331124 413905 662248 827810 910591 1324496 1655620 1821182 2069525 3311240 3642364 4139050 4552955 6622480 7284728 8278100 9105910 10016501 10347625 14569456 16556200 18211820 20033002 20695250 22764775 33112400 36423640 40066004 41390500 45529550 50082505 72847280 80132008 82781000 91059100 100165010 113823875 160264016 165562000 182118200 200330020 227647750 250412525 364236400 400660040 455295500 500825050 801320080 910591000 1001650100 1252062625 1821182000 2003300200 2504125250 4006600400 5008250500 10016501000 20033002000