20585762961272 has 64 divisors (see below), whose sum is σ = 43348179283200. Its totient is φ = 9107495953920.

The previous prime is 20585762961271. The next prime is 20585762961311. The reversal of 20585762961272 is 27216926758502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20585762961271) 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, 30068468 + ... + 30745475.

It is an arithmetic number, because the mean of its divisors is an integer number (677315301300).

Almost surely, 2^{20585762961272} is an apocalyptic number.

It is an amenable number.

20585762961272 is an abundant number, since it is smaller than the sum of its proper divisors (22762416321928).

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

20585762961272 is a wasteful number, since it uses less digits than its factorization.

20585762961272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60814116 (or 60814112 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 62.

The spelling of 20585762961272 in words is "twenty trillion, five hundred eighty-five billion, seven hundred sixty-two million, nine hundred sixty-one thousand, two hundred seventy-two".