22120105904052 has 48 divisors (see below), whose sum is σ = 55598875917312. Its totient is φ = 6804347241600.

The previous prime is 22120105904021. The next prime is 22120105904059. The reversal of 22120105904052 is 25040950102122.

It is a super-2 number, since 2×22120105904052² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120105904059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18579028 + ... + 19733739.

It is an arithmetic number, because the mean of its divisors is an integer number (1158309914944).

Almost surely, 2^{22120105904052} is an apocalyptic number.

It is an amenable number.

22120105904052 is an abundant number, since it is smaller than the sum of its proper divisors (33478770013260).

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

22120105904052 is a wasteful number, since it uses less digits than its factorization.

22120105904052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38316488 (or 38316486 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 22120105904052 in words is "twenty-two trillion, one hundred twenty billion, one hundred five million, nine hundred four thousand, fifty-two".