20023175 has 12 divisors (see below), whose sum is σ = 25358496. Its totient is φ = 15676800.

The previous prime is 20023163. The next prime is 20023187. The reversal of 20023175 is 57132002.

It is an interprime number because it is at equal distance from previous prime (20023163) and next prime (20023187).

It is not a de Polignac number, because 20023175 - 2²⁴ = 3245959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7346 + ... + 9695.

It is an arithmetic number, because the mean of its divisors is an integer number (2113208).

Almost surely, 2^20023175 is an apocalyptic number.

20023175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20023175 is a deficient number, since it is larger than the sum of its proper divisors (5335321).

20023175 is a wasteful number, since it uses less digits than its factorization.

20023175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17098 (or 17093 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 20023175 is about 4474.7262486101. The cubic root of 20023175 is about 271.5465655698.

Adding to 20023175 its reverse (57132002), we get a palindrome (77155177).

The spelling of 20023175 in words is "twenty million, twenty-three thousand, one hundred seventy-five".