20464107 has 16 divisors (see below), whose sum is σ = 29095200. Its totient is φ = 12749312.

The previous prime is 20464099. The next prime is 20464109. The reversal of 20464107 is 70146402.

It is a cyclic number.

It is not a de Polignac number, because 20464107 - 2³ = 20464099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20464109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6253 + ... + 8945.

It is an arithmetic number, because the mean of its divisors is an integer number (1818450).

Almost surely, 2^20464107 is an apocalyptic number.

20464107 is a deficient number, since it is larger than the sum of its proper divisors (8631093).

20464107 is a wasteful number, since it uses less digits than its factorization.

20464107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 20464107 is about 4523.7271137857. The cubic root of 20464107 is about 273.5253606332.

The spelling of 20464107 in words is "twenty million, four hundred sixty-four thousand, one hundred seven".