20179107 has 18 divisors (see below), whose sum is σ = 31564572. Its totient is φ = 12416976.

The previous prime is 20179069. The next prime is 20179129. The reversal of 20179107 is 70197102.

It is not a de Polignac number, because 20179107 - 2⁷ = 20178979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20179177) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 5113 + ... + 8154.

Almost surely, 2^20179107 is an apocalyptic number.

20179107 is a deficient number, since it is larger than the sum of its proper divisors (11385465).

20179107 is a wasteful number, since it uses less digits than its factorization.

20179107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13299 (or 13283 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 20179107 is about 4492.1160937803. The cubic root of 20179107 is about 272.2496401526.

The spelling of 20179107 in words is "twenty million, one hundred seventy-nine thousand, one hundred seven".