23202020331 has 36 divisors (see below), whose sum is σ = 39063587472. Its totient is φ = 13231812384.

The previous prime is 23202020321. The next prime is 23202020371. The reversal of 23202020331 is 13302020232.

It is a happy number.

It is not a de Polignac number, because 23202020331 - 2³⁴ = 6022151147 is a prime.

It is a super-2 number, since 2×23202020331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23202020321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 169525 + ... + 274121.

It is an arithmetic number, because the mean of its divisors is an integer number (1085099652).

Almost surely, 2^23202020331 is an apocalyptic number.

23202020331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23202020331 is a deficient number, since it is larger than the sum of its proper divisors (15861567141).

23202020331 is a wasteful number, since it uses less digits than its factorization.

23202020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105120 (or 105110 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23202020331 its reverse (13302020232), we get a palindrome (36504040563).

Subtracting from 23202020331 its reverse (13302020232), we obtain a palindrome (9900000099).

The spelling of 23202020331 in words is "twenty-three billion, two hundred two million, twenty thousand, three hundred thirty-one".