20600707765031 has 2 divisors, whose sum is σ = 20600707765032. Its totient is φ = 20600707765030.

The previous prime is 20600707765021. The next prime is 20600707765129. The reversal of 20600707765031 is 13056770700602.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20600707765031 is a prime.

It is a super-2 number, since 2×20600707765031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20600707765021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10300353882515 + 10300353882516.

It is an arithmetic number, because the mean of its divisors is an integer number (10300353882516).

Almost surely, 2^{20600707765031} is an apocalyptic number.

20600707765031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20600707765031 is an equidigital number, since it uses as much as digits as its factorization.

20600707765031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 370440, while the sum is 44.

The spelling of 20600707765031 in words is "twenty trillion, six hundred billion, seven hundred seven million, seven hundred sixty-five thousand, thirty-one".