20072018 has 16 divisors (see below), whose sum is σ = 31842720. Its totient is φ = 9462816.

The previous prime is 20071991. The next prime is 20072027. The reversal of 20072018 is 81027002.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7721 + ... + 9987.

It is an arithmetic number, because the mean of its divisors is an integer number (1990170).

Almost surely, 2^20072018 is an apocalyptic number.

20072018 is a deficient number, since it is larger than the sum of its proper divisors (11770702).

20072018 is a wasteful number, since it uses less digits than its factorization.

20072018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 20072018 is about 4480.1805767179. The cubic root of 20072018 is about 271.7671829149.

The spelling of 20072018 in words is "twenty million, seventy-two thousand, eighteen".