20231542776072 has 64 divisors (see below), whose sum is σ = 51343599974400. Its totient is φ = 6641920422720.

The previous prime is 20231542775971. The next prime is 20231542776073. The reversal of 20231542776072 is 27067724513202.

It is a super-2 number, since 2×20231542776072² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20231542776073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7208829 + ... + 9614067.

It is an arithmetic number, because the mean of its divisors is an integer number (802243749600).

Almost surely, 2^{20231542776072} is an apocalyptic number.

It is an amenable number.

20231542776072 is an abundant number, since it is smaller than the sum of its proper divisors (31112057198328).

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

20231542776072 is a wasteful number, since it uses less digits than its factorization.

20231542776072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410546 (or 2410542 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 48.

The spelling of 20231542776072 in words is "twenty trillion, two hundred thirty-one billion, five hundred forty-two million, seven hundred seventy-six thousand, seventy-two".