10020637313993 has 2 divisors, whose sum is σ = 10020637313994. Its totient is φ = 10020637313992.

The previous prime is 10020637313963. The next prime is 10020637314029. The reversal of 10020637313993 is 39931373602001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9979104096784 + 41533217209 = 3158972^2 + 203797^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020637313993 - 2²⁰ = 10020636265417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10020637313963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010318656996 + 5010318656997.

It is an arithmetic number, because the mean of its divisors is an integer number (5010318656997).

Almost surely, 2^{10020637313993} is an apocalyptic number.

It is an amenable number.

10020637313993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020637313993 is an equidigital number, since it uses as much as digits as its factorization.

10020637313993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 551124, while the sum is 47.

The spelling of 10020637313993 in words is "ten trillion, twenty billion, six hundred thirty-seven million, three hundred thirteen thousand, nine hundred ninety-three".