20093475 has 12 divisors (see below), whose sum is σ = 33221336. Its totient is φ = 10716480.

The previous prime is 20093471. The next prime is 20093477. The reversal of 20093475 is 57439002.

It is not a de Polignac number, because 20093475 - 2² = 20093471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20093471) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 133882 + ... + 134031.

Almost surely, 2^20093475 is an apocalyptic number.

20093475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20093475 is a deficient number, since it is larger than the sum of its proper divisors (13127861).

20093475 is a wasteful number, since it uses less digits than its factorization.

20093475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267926 (or 267921 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 20093475 is about 4482.5745950291. The cubic root of 20093475 is about 271.8639881919.

The spelling of 20093475 in words is "twenty million, ninety-three thousand, four hundred seventy-five".