20099107 has 8 divisors (see below), whose sum is σ = 23006816. Its totient is φ = 17200512.

The previous prime is 20099089. The next prime is 20099113. The reversal of 20099107 is 70199002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20099107 - 2¹⁵ = 20066339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20097107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3403 + ... + 7195.

It is an arithmetic number, because the mean of its divisors is an integer number (2875852).

Almost surely, 2^20099107 is an apocalyptic number.

20099107 is a deficient number, since it is larger than the sum of its proper divisors (2907709).

20099107 is an equidigital number, since it uses as much as digits as its factorization.

20099107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 20099107 is about 4483.2027614196. The cubic root of 20099107 is about 271.8893860710.

The spelling of 20099107 in words is "twenty million, ninety-nine thousand, one hundred seven".