22020209975 has 24 divisors (see below), whose sum is σ = 27604059120. Its totient is φ = 17423838720.

The previous prime is 22020209971. The next prime is 22020209993. The reversal of 22020209975 is 57990202022.

It is not a de Polignac number, because 22020209975 - 2² = 22020209971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020209971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1609112 + ... + 1622738.

It is an arithmetic number, because the mean of its divisors is an integer number (1150169130).

Almost surely, 2^22020209975 is an apocalyptic number.

22020209975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22020209975 is a deficient number, since it is larger than the sum of its proper divisors (5583849145).

22020209975 is a wasteful number, since it uses less digits than its factorization.

22020209975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14339 (or 14334 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 22020209975 in words is "twenty-two billion, twenty million, two hundred nine thousand, nine hundred seventy-five".