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20041025204 = 2231161621171
BaseRepresentation
bin10010101010100010…
…011100011010110100
31220201200201120020202
4102222202130122310
5312021000301304
613112352420032
71306430621624
oct225242343264
956650646222
1020041025204
1185546aa952
123a73847618
131b7503ccc5
14d81924884
157c467181e
hex4aa89c6b4

20041025204 has 12 divisors (see below), whose sum is σ = 36203142528. Its totient is φ = 9697270200.

The previous prime is 20041025159. The next prime is 20041025233. The reversal of 20041025204 is 40252014002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80810462 + ... + 80810709.

It is an arithmetic number, because the mean of its divisors is an integer number (3016928544).

Almost surely, 220041025204 is an apocalyptic number.

It is an amenable number.

20041025204 is a deficient number, since it is larger than the sum of its proper divisors (16162117324).

20041025204 is a wasteful number, since it uses less digits than its factorization.

20041025204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161621206 (or 161621204 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 20041025204 its reverse (40252014002), we get a palindrome (60293039206).

The spelling of 20041025204 in words is "twenty billion, forty-one million, twenty-five thousand, two hundred four".

Divisors: 1 2 4 31 62 124 161621171 323242342 646484684 5010256301 10020512602 20041025204