22031232220120 has 64 divisors (see below), whose sum is σ = 50952612846240. Its totient is φ = 8568210662400.

The previous prime is 22031232220099. The next prime is 22031232220171. The reversal of 22031232220120 is 2102223213022.

It is a junction number, because it is equal to n+sod(n) for n = 22031232220091 and 22031232220100.

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, 22443846 + ... + 23404885.

Almost surely, 2^{22031232220120} is an apocalyptic number.

22031232220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22031232220120 is an abundant number, since it is smaller than the sum of its proper divisors (28921380626120).

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

22031232220120 is a wasteful number, since it uses less digits than its factorization.

22031232220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45849076 (or 45849072 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22031232220120 its reverse (2102223213022), we get a palindrome (24133455433142).

The spelling of 22031232220120 in words is "twenty-two trillion, thirty-one billion, two hundred thirty-two million, two hundred twenty thousand, one hundred twenty".