23132232220 has 48 divisors (see below), whose sum is σ = 50270220000. Its totient is φ = 8930727680.

The previous prime is 23132232217. The next prime is 23132232229. The reversal of 23132232220 is 2223223132.

It is a super-2 number, since 2×23132232220² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23132232191 and 23132232200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132232229) by changing a digit.

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, 2367906 + ... + 2377654.

It is an arithmetic number, because the mean of its divisors is an integer number (1047296250).

Almost surely, 2^23132232220 is an apocalyptic number.

23132232220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23132232220 is an abundant number, since it is smaller than the sum of its proper divisors (27137987780).

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

23132232220 is a wasteful number, since it uses less digits than its factorization.

23132232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13878 (or 13876 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23132232220 its reverse (2223223132), we get a palindrome (25355455352).

The spelling of 23132232220 in words is "twenty-three billion, one hundred thirty-two million, two hundred thirty-two thousand, two hundred twenty".