20604229608 has 64 divisors (see below), whose sum is σ = 54303621120. Its totient is φ = 6505099200.

The previous prime is 20604229579. The next prime is 20604229621. The reversal of 20604229608 is 80692240602.

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, 259648 + ... + 329583.

It is an arithmetic number, because the mean of its divisors is an integer number (848494080).

Almost surely, 2^20604229608 is an apocalyptic number.

It is an amenable number.

20604229608 is an abundant number, since it is smaller than the sum of its proper divisors (33699391512).

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

20604229608 is a wasteful number, since it uses less digits than its factorization.

20604229608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589318 (or 589314 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 20604229608 in words is "twenty billion, six hundred four million, two hundred twenty-nine thousand, six hundred eight".