22331021023020 has 96 divisors (see below), whose sum is σ = 62864079929280. Its totient is φ = 5922835660800.

The previous prime is 22331021023019. The next prime is 22331021023027. The reversal of 22331021023020 is 2032012013322.

It is a happy number.

It is a super-2 number, since 2×22331021023020² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22331021023027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55394746 + ... + 55796414.

It is an arithmetic number, because the mean of its divisors is an integer number (654834165930).

Almost surely, 2^{22331021023020} is an apocalyptic number.

22331021023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22331021023020 is an abundant number, since it is smaller than the sum of its proper divisors (40533058906260).

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

22331021023020 is a wasteful number, since it uses less digits than its factorization.

22331021023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406675 (or 406673 counting only the distinct ones).

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

Adding to 22331021023020 its reverse (2032012013322), we get a palindrome (24363033036342).

The spelling of 22331021023020 in words is "twenty-two trillion, three hundred thirty-one billion, twenty-one million, twenty-three thousand, twenty".