20707262504 has 8 divisors (see below), whose sum is σ = 38826117210. Its totient is φ = 10353631248.

The previous prime is 20707262489. The next prime is 20707262561. The reversal of 20707262504 is 40526270702.

It can be written as a sum of positive squares in only one way, i.e., 14423529604 + 6283732900 = 120098^2 + 79270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1294203899 + ... + 1294203914.

Almost surely, 2^20707262504 is an apocalyptic number.

It is an amenable number.

20707262504 is a deficient number, since it is larger than the sum of its proper divisors (18118854706).

20707262504 is a wasteful number, since it uses less digits than its factorization.

20707262504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588407819 (or 2588407815 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 20707262504 in words is "twenty billion, seven hundred seven million, two hundred sixty-two thousand, five hundred four".