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20000040204 = 2232131782107
BaseRepresentation
bin10010101000000110…
…000110010100001100
31220121211121022101210
4102220012012110030
5311430002241304
613104330134420
71305422352054
oct225006062414
956554538353
1020000040204
118533557251
123a61b81410
131b696c0021
14d7a2d6564
157c0c77c89
hex4a818650c

20000040204 has 24 divisors (see below), whose sum is σ = 46688719168. Its totient is φ = 6663543120.

The previous prime is 20000040173. The next prime is 20000040223. The reversal of 20000040204 is 40204000002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20000040204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365482 + ... + 416625.

Almost surely, 220000040204 is an apocalyptic number.

It is an amenable number.

20000040204 is an abundant number, since it is smaller than the sum of its proper divisors (26688678964).

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

20000040204 is a wasteful number, since it uses less digits than its factorization.

20000040204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784245 (or 784243 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20000040204 its reverse (40204000002), we get a palindrome (60204040206).

The spelling of 20000040204 in words is "twenty billion, forty thousand, two hundred four".

Divisors: 1 2 3 4 6 12 2131 4262 6393 8524 12786 25572 782107 1564214 2346321 3128428 4692642 9385284 1666670017 3333340034 5000010051 6666680068 10000020102 20000040204