20022475 has 18 divisors (see below), whose sum is σ = 27294260. Its totient is φ = 14559600.

The previous prime is 20022467. The next prime is 20022493. The reversal of 20022475 is 57422002.

It is not a de Polignac number, because 20022475 - 2³ = 20022467 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 285 + ... + 6334.

Almost surely, 2^20022475 is an apocalyptic number.

20022475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20022475 is a deficient number, since it is larger than the sum of its proper divisors (7271785).

20022475 is a wasteful number, since it uses less digits than its factorization.

20022475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6651 (or 6635 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 20022475 is about 4474.6480308511. The cubic root of 20022475 is about 271.5434011564.

Adding to 20022475 its reverse (57422002), we get a palindrome (77444477).

The spelling of 20022475 in words is "twenty million, twenty-two thousand, four hundred seventy-five".