22020515432 has 8 divisors (see below), whose sum is σ = 41288466450. Its totient is φ = 11010257712.

The previous prime is 22020515389. The next prime is 22020515437. The reversal of 22020515432 is 23451502022.

It can be written as a sum of positive squares in only one way, i.e., 21253557796 + 766957636 = 145786^2 + 27694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22020515437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1376282207 + ... + 1376282222.

Almost surely, 2^22020515432 is an apocalyptic number.

It is an amenable number.

22020515432 is a deficient number, since it is larger than the sum of its proper divisors (19267951018).

22020515432 is a wasteful number, since it uses less digits than its factorization.

22020515432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752564435 (or 2752564431 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 22020515432 in words is "twenty-two billion, twenty million, five hundred fifteen thousand, four hundred thirty-two".