22012020200028 has 24 divisors (see below), whose sum is σ = 51445167401488. Its totient is φ = 7325370504576.

The previous prime is 22012020200021. The next prime is 22012020200047. The reversal of 22012020200028 is 82000202021022.

It is a junction number, because it is equal to n+sod(n) for n = 22012020199977 and 22012020200013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012020200021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1496187601 + ... + 1496202312.

Almost surely, 2^{22012020200028} is an apocalyptic number.

It is an amenable number.

22012020200028 is an abundant number, since it is smaller than the sum of its proper divisors (29433147201460).

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

22012020200028 is a wasteful number, since it uses less digits than its factorization.

22012020200028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992390533 (or 2992390531 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The spelling of 22012020200028 in words is "twenty-two trillion, twelve billion, twenty million, two hundred thousand, twenty-eight".