20712966023 has 2 divisors, whose sum is σ = 20712966024. Its totient is φ = 20712966022.

The previous prime is 20712966017. The next prime is 20712966083. The reversal of 20712966023 is 32066921702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20712966023 - 2¹⁰ = 20712964999 is a prime.

It is a super-2 number, since 2×20712966023² (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 (20712966083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10356483011 + 10356483012.

It is an arithmetic number, because the mean of its divisors is an integer number (10356483012).

Almost surely, 2^20712966023 is an apocalyptic number.

20712966023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20712966023 is an equidigital number, since it uses as much as digits as its factorization.

20712966023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 20712966023 in words is "twenty billion, seven hundred twelve million, nine hundred sixty-six thousand, twenty-three".