23213100220 has 48 divisors (see below), whose sum is σ = 49900501728. Its totient is φ = 9065790720.

The previous prime is 23213100217. The next prime is 23213100233. The reversal of 23213100220 is 2200131232.

It is a junction number, because it is equal to n+sod(n) for n = 23213100194 and 23213100203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3984910 + ... + 3990730.

It is an arithmetic number, because the mean of its divisors is an integer number (1039593786).

Almost surely, 2^23213100220 is an apocalyptic number.

23213100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23213100220 is an abundant number, since it is smaller than the sum of its proper divisors (26687401508).

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

23213100220 is a wasteful number, since it uses less digits than its factorization.

23213100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10510 (or 10508 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23213100220 its reverse (2200131232), we get a palindrome (25413231452).

The spelling of 23213100220 in words is "twenty-three billion, two hundred thirteen million, one hundred thousand, two hundred twenty".