20039347199023 has 2 divisors, whose sum is σ = 20039347199024. Its totient is φ = 20039347199022.

The previous prime is 20039347198999. The next prime is 20039347199051. The reversal of 20039347199023 is 32099174393002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20039347199023 - 2⁹ = 20039347198511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20039347199083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10019673599511 + 10019673599512.

It is an arithmetic number, because the mean of its divisors is an integer number (10019673599512).

Almost surely, 2^{20039347199023} is an apocalyptic number.

20039347199023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20039347199023 is an equidigital number, since it uses as much as digits as its factorization.

20039347199023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 52.

The spelling of 20039347199023 in words is "twenty trillion, thirty-nine billion, three hundred forty-seven million, one hundred ninety-nine thousand, twenty-three".