20125232331 has 8 divisors (see below), whose sum is σ = 27079823760. Its totient is φ = 13293731232.

The previous prime is 20125232299. The next prime is 20125232353. The reversal of 20125232331 is 13323252102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20125232331 - 2⁵ = 20125232299 is a prime.

It is a super-2 number, since 2×20125232331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20125232381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30772200 + ... + 30772853.

It is an arithmetic number, because the mean of its divisors is an integer number (3384977970).

Almost surely, 2^20125232331 is an apocalyptic number.

20125232331 is a deficient number, since it is larger than the sum of its proper divisors (6954591429).

20125232331 is a wasteful number, since it uses less digits than its factorization.

20125232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61545165.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 20125232331 its reverse (13323252102), we get a palindrome (33448484433).

The spelling of 20125232331 in words is "twenty billion, one hundred twenty-five million, two hundred thirty-two thousand, three hundred thirty-one".