20633232315 has 16 divisors (see below), whose sum is σ = 33015553056. Its totient is φ = 11003596800.

The previous prime is 20633232307. The next prime is 20633232317. The reversal of 20633232315 is 51323233602.

It is not a de Polignac number, because 20633232315 - 2³ = 20633232307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20633232317) 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, 208635 + ... + 291195.

It is an arithmetic number, because the mean of its divisors is an integer number (2063472066).

Almost surely, 2^20633232315 is an apocalyptic number.

20633232315 is a deficient number, since it is larger than the sum of its proper divisors (12382320741).

20633232315 is a wasteful number, since it uses less digits than its factorization.

20633232315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99230.

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 20633232315 its reverse (51323233602), we get a palindrome (71956465917).

The spelling of 20633232315 in words is "twenty billion, six hundred thirty-three million, two hundred thirty-two thousand, three hundred fifteen".