20045264472216 has 96 divisors (see below), whose sum is σ = 57619935500400. Its totient is φ = 6273701406720.

The previous prime is 20045264472173. The next prime is 20045264472217. The reversal of 20045264472216 is 61227446254002.

20045264472216 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 526 + 44 + 72 + 2 + 16 = 666.

It is a super-2 number, since 2×20045264472216² (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 (20045264472217) 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, 19029925 + ... + 20055636.

Almost surely, 2^{20045264472216} is an apocalyptic number.

It is an amenable number.

20045264472216 is an abundant number, since it is smaller than the sum of its proper divisors (37574671028184).

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

20045264472216 is a wasteful number, since it uses less digits than its factorization.

20045264472216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39086009 (or 39086002 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 20045264472216 in words is "twenty trillion, forty-five billion, two hundred sixty-four million, four hundred seventy-two thousand, two hundred sixteen".