22131023203320 has 64 divisors (see below), whose sum is σ = 66393382367520. Its totient is φ = 5901578386944.

The previous prime is 22131023203319. The next prime is 22131023203339. The reversal of 22131023203320 is 2330232013122.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 44039394 + ... + 44539086.

Almost surely, 2^{22131023203320} is an apocalyptic number.

22131023203320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131023203320 is an abundant number, since it is smaller than the sum of its proper divisors (44262359164200).

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

22131023203320 is a wasteful number, since it uses less digits than its factorization.

22131023203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868784 (or 868780 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 22131023203320 its reverse (2330232013122), we get a palindrome (24461255216442).

The spelling of 22131023203320 in words is "twenty-two trillion, one hundred thirty-one billion, twenty-three million, two hundred three thousand, three hundred twenty".