22120818052 has 6 divisors (see below), whose sum is σ = 38711431598. Its totient is φ = 11060409024.

The previous prime is 22120818037. The next prime is 22120818061. The reversal of 22120818052 is 25081802122.

It can be written as a sum of positive squares in only one way, i.e., 14345811076 + 7775006976 = 119774^2 + 88176^2 .

It is an unprimeable number.

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, 2765102253 + ... + 2765102260.

Almost surely, 2^22120818052 is an apocalyptic number.

It is an amenable number.

22120818052 is a deficient number, since it is larger than the sum of its proper divisors (16590613546).

22120818052 is a wasteful number, since it uses less digits than its factorization.

22120818052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530204517 (or 5530204515 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The spelling of 22120818052 in words is "twenty-two billion, one hundred twenty million, eight hundred eighteen thousand, fifty-two".