20077713113 has 2 divisors, whose sum is σ = 20077713114. Its totient is φ = 20077713112.

The previous prime is 20077713043. The next prime is 20077713211. The reversal of 20077713113 is 31131777002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20042631184 + 35081929 = 141572^2 + 5923^2 .

It is a cyclic number.

It is not a de Polignac number, because 20077713113 - 2⁸ = 20077712857 is a prime.

It is a super-2 number, since 2×20077713113² (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 20077713113.

It is not a weakly prime, because it can be changed into another prime (20077713013) 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 as a sum of consecutive naturals, namely, 10038856556 + 10038856557.

It is an arithmetic number, because the mean of its divisors is an integer number (10038856557).

Almost surely, 2^20077713113 is an apocalyptic number.

It is an amenable number.

20077713113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20077713113 is an equidigital number, since it uses as much as digits as its factorization.

20077713113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6174, while the sum is 32.

The spelling of 20077713113 in words is "twenty billion, seventy-seven million, seven hundred thirteen thousand, one hundred thirteen".