22031012032320 has 112 divisors (see below), whose sum is σ = 72360479266560. Its totient is φ = 5672352516096.

The previous prime is 22031012032259. The next prime is 22031012032343. The reversal of 22031012032320 is 2323021013022.

It is a happy number.

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, 395644072 + ... + 395699751.

Almost surely, 2^{22031012032320} is an apocalyptic number.

22031012032320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22031012032320 is an abundant number, since it is smaller than the sum of its proper divisors (50329467234240).

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

22031012032320 is a wasteful number, since it uses less digits than its factorization.

22031012032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791343872 (or 791343862 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22031012032320 its reverse (2323021013022), we get a palindrome (24354033045342).

The spelling of 22031012032320 in words is "twenty-two trillion, thirty-one billion, twelve million, thirty-two thousand, three hundred twenty".