20125232455 has 16 divisors (see below), whose sum is σ = 24336496800. Its totient is φ = 15976160640.

The previous prime is 20125232453. The next prime is 20125232467. The reversal of 20125232455 is 55423252102.

It is not a de Polignac number, because 20125232455 - 2¹ = 20125232453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125232453) 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, 1598485 + ... + 1611025.

It is an arithmetic number, because the mean of its divisors is an integer number (1521031050).

Almost surely, 2^20125232455 is an apocalyptic number.

20125232455 is a deficient number, since it is larger than the sum of its proper divisors (4211264345).

20125232455 is a wasteful number, since it uses less digits than its factorization.

20125232455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14994.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 20125232455 its reverse (55423252102), we get a palindrome (75548484557).

The spelling of 20125232455 in words is "twenty billion, one hundred twenty-five million, two hundred thirty-two thousand, four hundred fifty-five".