20307072776031 has 12 divisors (see below), whose sum is σ = 29332510216152. Its totient is φ = 13538015396496.

The previous prime is 20307072776027. The next prime is 20307072776063. The reversal of 20307072776031 is 13067727070302.

20307072776031 is a `hidden beast` number, since 2 + 0 + 30 + 7 + 0 + 7 + 2 + 7 + 7 + 603 + 1 = 666.

It is not a de Polignac number, because 20307072776031 - 2² = 20307072776027 is a prime.

It is a super-2 number, since 2×20307072776031² (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 (20307072776021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1463125 + ... + 6538721.

It is an arithmetic number, because the mean of its divisors is an integer number (2444375851346).

Almost surely, 2^{20307072776031} is an apocalyptic number.

20307072776031 is a deficient number, since it is larger than the sum of its proper divisors (9025437440121).

20307072776031 is a wasteful number, since it uses less digits than its factorization.

20307072776031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5520150 (or 5520147 counting only the distinct ones).

The product of its (nonzero) digits is 518616, while the sum is 45.

The spelling of 20307072776031 in words is "twenty trillion, three hundred seven billion, seventy-two million, seven hundred seventy-six thousand, thirty-one".