20007600731 has 2 divisors, whose sum is σ = 20007600732. Its totient is φ = 20007600730.

The previous prime is 20007600673. The next prime is 20007600737. The reversal of 20007600731 is 13700670002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20007600731 - 2¹⁴ = 20007584347 is a prime.

It is a super-2 number, since 2×20007600731² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20007600731.

It is not a weakly prime, because it can be changed into another prime (20007600737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10003800365 + 10003800366.

It is an arithmetic number, because the mean of its divisors is an integer number (10003800366).

Almost surely, 2^20007600731 is an apocalyptic number.

20007600731 is a deficient number, since it is larger than the sum of its proper divisors (1).

20007600731 is an equidigital number, since it uses as much as digits as its factorization.

20007600731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 26.

The spelling of 20007600731 in words is "twenty billion, seven million, six hundred thousand, seven hundred thirty-one".