20772263989204 has 96 divisors (see below), whose sum is σ = 45187684319232. Its totient is φ = 8135827056000.

The previous prime is 20772263989163. The next prime is 20772263989207. The reversal of 20772263989204 is 40298936227702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20772263989207) 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, 13961559 + ... + 15377569.

It is an arithmetic number, because the mean of its divisors is an integer number (470705044992).

Almost surely, 2^{20772263989204} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20772263989204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22593842159616).

20772263989204 is an abundant number, since it is smaller than the sum of its proper divisors (24415420330028).

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

20772263989204 is a wasteful number, since it uses less digits than its factorization.

20772263989204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416437 (or 1416435 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 20772263989204 in words is "twenty trillion, seven hundred seventy-two billion, two hundred sixty-three million, nine hundred eighty-nine thousand, two hundred four".