20299107 has 4 divisors (see below), whose sum is σ = 27065480. Its totient is φ = 13532736.

The previous prime is 20299099. The next prime is 20299109. The reversal of 20299107 is 70199202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20299107 - 2³ = 20299099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20299109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3383182 + ... + 3383187.

It is an arithmetic number, because the mean of its divisors is an integer number (6766370).

Almost surely, 2^20299107 is an apocalyptic number.

20299107 is a deficient number, since it is larger than the sum of its proper divisors (6766373).

20299107 is an equidigital number, since it uses as much as digits as its factorization.

20299107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6766372.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 20299107 is about 4505.4530293856. The cubic root of 20299107 is about 272.7882402991.

The spelling of 20299107 in words is "twenty million, two hundred ninety-nine thousand, one hundred seven".