23122320220 has 48 divisors (see below), whose sum is σ = 49952246400. Its totient is φ = 8986018304.

The previous prime is 23122320217. The next prime is 23122320241. The reversal of 23122320220 is 2202322132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39006 + ... + 218554.

It is an arithmetic number, because the mean of its divisors is an integer number (1040671800).

Almost surely, 2^23122320220 is an apocalyptic number.

23122320220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23122320220 is an abundant number, since it is smaller than the sum of its proper divisors (26829926180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23122320220 is a wasteful number, since it uses less digits than its factorization.

23122320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179742 (or 179740 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23122320220 its reverse (2202322132), we get a palindrome (25324642352).

The spelling of 23122320220 in words is "twenty-three billion, one hundred twenty-two million, three hundred twenty thousand, two hundred twenty".