20075632831 has 2 divisors, whose sum is σ = 20075632832. Its totient is φ = 20075632830.

The previous prime is 20075632789. The next prime is 20075632849. The reversal of 20075632831 is 13823657002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20075632831 is a prime.

It is a super-2 number, since 2×20075632831² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20075638831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10037816415 + 10037816416.

It is an arithmetic number, because the mean of its divisors is an integer number (10037816416).

Almost surely, 2^20075632831 is an apocalyptic number.

20075632831 is a deficient number, since it is larger than the sum of its proper divisors (1).

20075632831 is an equidigital number, since it uses as much as digits as its factorization.

20075632831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 20075632831 in words is "twenty billion, seventy-five million, six hundred thirty-two thousand, eight hundred thirty-one".