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200020231000 = 23531409141959
BaseRepresentation
bin1011101001001000100…
…0101000001101011000
3201010021202100112012201
42322102020220031120
511234120134343000
6231515451415544
720310454624342
oct2722210501530
9633252315181
10200020231000
117791222a037
12329224545b4
1315b28583795
149976a6a292
15530a11d96a
hex2e92228358

200020231000 has 64 divisors (see below), whose sum is σ = 468382824000. Its totient is φ = 79950745600.

The previous prime is 200020230967. The next prime is 200020231049. The reversal of 200020231000 is 132020002.

It is a super-2 number, since 2×2000202310002 (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338021 + ... + 1479979.

It is an arithmetic number, because the mean of its divisors is an integer number (7318481625).

Almost surely, 2200020231000 is an apocalyptic number.

200020231000 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 200020231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234191412000).

200020231000 is an abundant number, since it is smaller than the sum of its proper divisors (268362593000).

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

200020231000 is a wasteful number, since it uses less digits than its factorization.

200020231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143389 (or 143375 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 200020231000 its reverse (132020002), we get a palindrome (200152251002).

The spelling of 200020231000 in words is "two hundred billion, twenty million, two hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 1409 2818 5636 7045 11272 14090 28180 35225 56360 70450 140900 141959 176125 281800 283918 352250 567836 704500 709795 1135672 1409000 1419590 2839180 3548975 5678360 7097950 14195900 17744875 28391800 35489750 70979500 141959000 200020231 400040462 800080924 1000101155 1600161848 2000202310 4000404620 5000505775 8000809240 10001011550 20002023100 25002528875 40004046200 50005057750 100010115500 200020231000