20860304104 has 32 divisors (see below), whose sum is σ = 41420953800. Its totient is φ = 9814927360.

The previous prime is 20860304081. The next prime is 20860304137. The reversal of 20860304104 is 40140306802.

It can be written as a sum of positive squares in 4 ways, for example, as 19771172100 + 1089132004 = 140610^2 + 33002^2 .

It is a super-2 number, since 2×20860304104² (a number of 21 digits) contains 22 as substring.

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, 1171782 + ... + 1189450.

Almost surely, 2^20860304104 is an apocalyptic number.

It is an amenable number.

20860304104 is a deficient number, since it is larger than the sum of its proper divisors (20560649696).

20860304104 is a wasteful number, since it uses less digits than its factorization.

20860304104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26373 (or 26369 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 20860304104 in words is "twenty billion, eight hundred sixty million, three hundred four thousand, one hundred four".