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20030332200 = 23352158321089
BaseRepresentation
bin10010101001111001…
…101001110100101000
31220200221121022012120
4102221321221310220
5312010231112300
613111331311240
71306241004654
oct225171516450
956627538176
1020030332200
11854966705a
123a7014b520
131b72a67b98
14d8033da64
157c375d3a0
hex4a9e69d28

20030332200 has 96 divisors (see below), whose sum is σ = 62136201600. Its totient is φ = 5337794560.

The previous prime is 20030332199. The next prime is 20030332237. The reversal of 20030332200 is 223303002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20030332200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 939256 + ... + 960344.

It is an arithmetic number, because the mean of its divisors is an integer number (647252100).

Almost surely, 220030332200 is an apocalyptic number.

20030332200 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 20030332200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31068100800).

20030332200 is an abundant number, since it is smaller than the sum of its proper divisors (42105869400).

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

20030332200 is a wasteful number, since it uses less digits than its factorization.

20030332200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22691 (or 22682 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 20030332200 its reverse (223303002), we get a palindrome (20253635202).

The spelling of 20030332200 in words is "twenty billion, thirty million, three hundred thirty-two thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 1583 3166 4749 6332 7915 9498 12664 15830 18996 21089 23745 31660 37992 39575 42178 47490 63267 63320 79150 84356 94980 105445 118725 126534 158300 168712 189960 210890 237450 253068 316335 316600 421780 474900 506136 527225 632670 843560 949800 1054450 1265340 1581675 2108900 2530680 3163350 4217800 6326700 12653400 33383887 66767774 100151661 133535548 166919435 200303322 267071096 333838870 400606644 500758305 667677740 801213288 834597175 1001516610 1335355480 1669194350 2003033220 2503791525 3338388700 4006066440 5007583050 6676777400 10015166100 20030332200