20450937 has 16 divisors (see below), whose sum is σ = 29603840. Its totient is φ = 12483072.

The previous prime is 20450893. The next prime is 20450939. The reversal of 20450937 is 73905402.

It is not a de Polignac number, because 20450937 - 2⁶ = 20450873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20450939) 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, 2889 + ... + 7017.

It is an arithmetic number, because the mean of its divisors is an integer number (1850240).

Almost surely, 2^20450937 is an apocalyptic number.

It is an amenable number.

20450937 is a deficient number, since it is larger than the sum of its proper divisors (9152903).

20450937 is a wasteful number, since it uses less digits than its factorization.

20450937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 20450937 is about 4522.2712214108. The cubic root of 20450937 is about 273.4666708492.

The spelling of 20450937 in words is "twenty million, four hundred fifty thousand, nine hundred thirty-seven".