20065090023 has 24 divisors (see below), whose sum is σ = 32290442496. Its totient is φ = 11901920400.

The previous prime is 20065090013. The next prime is 20065090033. The reversal of 20065090023 is 32009056002.

20065090023 is a `hidden beast` number, since 2 + 0 + 0 + 650 + 9 + 0 + 0 + 2 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (20065090013) and next prime (20065090033).

It is not a de Polignac number, because 20065090023 - 2⁸ = 20065089767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20065090013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2151493 + ... + 2160798.

It is an arithmetic number, because the mean of its divisors is an integer number (1345435104).

Almost surely, 2^20065090023 is an apocalyptic number.

20065090023 is a deficient number, since it is larger than the sum of its proper divisors (12225352473).

20065090023 is a wasteful number, since it uses less digits than its factorization.

20065090023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312355 (or 4312352 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The spelling of 20065090023 in words is "twenty billion, sixty-five million, ninety thousand, twenty-three".