22312331020 has 48 divisors (see below), whose sum is σ = 56699576640. Its totient is φ = 7199944704.

The previous prime is 22312330991. The next prime is 22312331023. The reversal of 22312331020 is 2013321322.

It is a super-3 number, since 3×22312331020³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22312331023) 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, 4685085 + ... + 4689844.

It is an arithmetic number, because the mean of its divisors is an integer number (1181241180).

Almost surely, 2^22312331020 is an apocalyptic number.

22312331020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22312331020 is an abundant number, since it is smaller than the sum of its proper divisors (34387245620).

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

22312331020 is a wasteful number, since it uses less digits than its factorization.

22312331020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9374962 (or 9374960 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22312331020 its reverse (2013321322), we get a palindrome (24325652342).

The spelling of 22312331020 in words is "twenty-two billion, three hundred twelve million, three hundred thirty-one thousand, twenty".