20050255525 has 24 divisors (see below), whose sum is σ = 25185423744. Its totient is φ = 15832766400.

The previous prime is 20050255523. The next prime is 20050255573. The reversal of 20050255525 is 52555205002.

It is not a de Polignac number, because 20050255525 - 2¹ = 20050255523 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20050255523) 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, 788307 + ... + 813343.

It is an arithmetic number, because the mean of its divisors is an integer number (1049392656).

Almost surely, 2^20050255525 is an apocalyptic number.

20050255525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20050255525 is a deficient number, since it is larger than the sum of its proper divisors (5135168219).

20050255525 is a wasteful number, since it uses less digits than its factorization.

20050255525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25461 (or 25456 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The spelling of 20050255525 in words is "twenty billion, fifty million, two hundred fifty-five thousand, five hundred twenty-five".