20572102528 has 16 divisors (see below), whose sum is σ = 40983485760. Its totient is φ = 10286051200.

The previous prime is 20572102517. The next prime is 20572102549. The reversal of 20572102528 is 82520127502.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×20572102528² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20572102493 and 20572102502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80359648 + ... + 80359903.

It is an arithmetic number, because the mean of its divisors is an integer number (2561467860).

Almost surely, 2^20572102528 is an apocalyptic number.

It is an amenable number.

20572102528 is a deficient number, since it is larger than the sum of its proper divisors (20411383232).

20572102528 is an equidigital number, since it uses as much as digits as its factorization.

20572102528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160719565 (or 160719553 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The spelling of 20572102528 in words is "twenty billion, five hundred seventy-two million, one hundred two thousand, five hundred twenty-eight".