20023675 has 24 divisors (see below), whose sum is σ = 29299712. Its totient is φ = 13284000.

The previous prime is 20023651. The next prime is 20023693. The reversal of 20023675 is 57632002.

It is not a de Polignac number, because 20023675 - 2⁵ = 20023643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3580 + ... + 7270.

Almost surely, 2^20023675 is an apocalyptic number.

20023675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20023675 is a deficient number, since it is larger than the sum of its proper divisors (9276037).

20023675 is a wasteful number, since it uses less digits than its factorization.

20023675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3739 (or 3734 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 20023675 is about 4474.7821176008. The cubic root of 20023675 is about 271.5488258200.

Adding to 20023675 its reverse (57632002), we get a palindrome (77655677).

The spelling of 20023675 in words is "twenty million, twenty-three thousand, six hundred seventy-five".