20692514023 has 4 divisors (see below), whose sum is σ = 20808114840. Its totient is φ = 20576913208.

The previous prime is 20692514021. The next prime is 20692514027. The reversal of 20692514023 is 32041529602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20692514023 - 2¹ = 20692514021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20692514023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20692514021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57800140 + ... + 57800497.

It is an arithmetic number, because the mean of its divisors is an integer number (5202028710).

Almost surely, 2^20692514023 is an apocalyptic number.

20692514023 is a deficient number, since it is larger than the sum of its proper divisors (115600817).

20692514023 is a wasteful number, since it uses less digits than its factorization.

20692514023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115600816.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 20692514023 in words is "twenty billion, six hundred ninety-two million, five hundred fourteen thousand, twenty-three".