20350455525 has 96 divisors (see below), whose sum is σ = 38646038400. Its totient is φ = 10493452800.

The previous prime is 20350455473. The next prime is 20350455547. The reversal of 20350455525 is 52555405302.

It is not a de Polignac number, because 20350455525 - 2¹⁴ = 20350439141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20350455525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2425137 + ... + 2433513.

It is an arithmetic number, because the mean of its divisors is an integer number (402562900).

Almost surely, 2^20350455525 is an apocalyptic number.

20350455525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20350455525 is a deficient number, since it is larger than the sum of its proper divisors (18295582875).

20350455525 is a wasteful number, since it uses less digits than its factorization.

20350455525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8516 (or 8505 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 36.

The spelling of 20350455525 in words is "twenty billion, three hundred fifty million, four hundred fifty-five thousand, five hundred twenty-five".