20707185034 has 16 divisors (see below), whose sum is σ = 31407332040. Its totient is φ = 10238329600.

The previous prime is 20707185011. The next prime is 20707185043. The reversal of 20707185034 is 43058170702.

It can be written as a sum of positive squares in 4 ways, for example, as 18143281809 + 2563903225 = 134697^2 + 50635^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20707184984 and 20707185002.

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, 100062 + ... + 226774.

Almost surely, 2^20707185034 is an apocalyptic number.

20707185034 is a deficient number, since it is larger than the sum of its proper divisors (10700147006).

20707185034 is a wasteful number, since it uses less digits than its factorization.

20707185034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127625.

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 20707185034 in words is "twenty billion, seven hundred seven million, one hundred eighty-five thousand, thirty-four".