20525054523 has 16 divisors (see below), whose sum is σ = 28253340672. Its totient is φ = 13240188000.

The previous prime is 20525054521. The next prime is 20525054531. The reversal of 20525054523 is 32545052502.

It is not a de Polignac number, because 20525054523 - 2¹ = 20525054521 is a prime.

It is a super-3 number, since 3×20525054523³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20525054521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1370908 + ... + 1385798.

It is an arithmetic number, because the mean of its divisors is an integer number (1765833792).

Almost surely, 2^20525054523 is an apocalyptic number.

20525054523 is a deficient number, since it is larger than the sum of its proper divisors (7728286149).

20525054523 is a wasteful number, since it uses less digits than its factorization.

20525054523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29746.

The product of its (nonzero) digits is 60000, while the sum is 33.

The spelling of 20525054523 in words is "twenty billion, five hundred twenty-five million, fifty-four thousand, five hundred twenty-three".