22020031013012 has 12 divisors (see below), whose sum is σ = 38535092666196. Its totient is φ = 11010004536960.

The previous prime is 22020031013011. The next prime is 22020031013059. The reversal of 22020031013012 is 21031013002022.

It can be written as a sum of positive squares in 2 ways, for example, as 9955009384336 + 12065021628676 = 3155156^2 + 3473474^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020031013011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3209498 + ... + 7371630.

It is an arithmetic number, because the mean of its divisors is an integer number (3211257722183).

Almost surely, 2^{22020031013012} is an apocalyptic number.

It is an amenable number.

22020031013012 is a deficient number, since it is larger than the sum of its proper divisors (16515061653184).

22020031013012 is a wasteful number, since it uses less digits than its factorization.

22020031013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484778 (or 5484776 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22020031013012 its reverse (21031013002022), we get a palindrome (43051044015034).

The spelling of 22020031013012 in words is "twenty-two trillion, twenty billion, thirty-one million, thirteen thousand, twelve".