22020209970 has 64 divisors (see below), whose sum is σ = 59211133056. Its totient is φ = 5193953280.

The previous prime is 22020209963. The next prime is 22020209971. The reversal of 22020209970 is 7990202022.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 31 ways as a sum of consecutive naturals, for example, 889519 + ... + 913938.

It is an arithmetic number, because the mean of its divisors is an integer number (925173954).

Almost surely, 2^22020209970 is an apocalyptic number.

22020209970 is an abundant number, since it is smaller than the sum of its proper divisors (37190923086).

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

22020209970 is a wasteful number, since it uses less digits than its factorization.

22020209970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803515.

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 22020209970 in words is "twenty-two billion, twenty million, two hundred nine thousand, nine hundred seventy".