20072520698 has 16 divisors (see below), whose sum is σ = 30226818600. Its totient is φ = 9996940800.

The previous prime is 20072520659. The next prime is 20072520709. The reversal of 20072520698 is 89602527002.

It can be written as a sum of positive squares in 4 ways, for example, as 17453844769 + 2618675929 = 132113^2 + 51173^2 .

It is a Curzon number.

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, 2271128 + ... + 2279948.

Almost surely, 2^20072520698 is an apocalyptic number.

20072520698 is a deficient number, since it is larger than the sum of its proper divisors (10154297902).

20072520698 is a wasteful number, since it uses less digits than its factorization.

20072520698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13153.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 20072520698 in words is "twenty billion, seventy-two million, five hundred twenty thousand, six hundred ninety-eight".