20575755525 has 24 divisors (see below), whose sum is σ = 36635398240. Its totient is φ = 10129602240.

The previous prime is 20575755523. The next prime is 20575755547. The reversal of 20575755525 is 52555757502.

It is not a de Polignac number, because 20575755525 - 2¹ = 20575755523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20575755523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10550695 + ... + 10552644.

Almost surely, 2^20575755525 is an apocalyptic number.

20575755525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20575755525 is a deficient number, since it is larger than the sum of its proper divisors (16059642715).

20575755525 is a wasteful number, since it uses less digits than its factorization.

20575755525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21103365 (or 21103360 counting only the distinct ones).

The product of its (nonzero) digits is 3062500, while the sum is 48.

The spelling of 20575755525 in words is "twenty billion, five hundred seventy-five million, seven hundred fifty-five thousand, five hundred twenty-five".