20073207 has 32 divisors (see below), whose sum is σ = 33707520. Its totient is φ = 10321920.

The previous prime is 20073199. The next prime is 20073211. The reversal of 20073207 is 70237002.

It is not a de Polignac number, because 20073207 - 2³ = 20073199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20073247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25719 + ... + 26487.

It is an arithmetic number, because the mean of its divisors is an integer number (1053360).

Almost surely, 2^20073207 is an apocalyptic number.

20073207 is a deficient number, since it is larger than the sum of its proper divisors (13634313).

20073207 is a wasteful number, since it uses less digits than its factorization.

20073207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 20073207 is about 4480.3132702971. The cubic root of 20073207 is about 271.7725490055.

The spelling of 20073207 in words is "twenty million, seventy-three thousand, two hundred seven".