20412937 has 24 divisors (see below), whose sum is σ = 23518656. Its totient is φ = 17664768.

The previous prime is 20412929. The next prime is 20412949. The reversal of 20412937 is 73921402.

It is not a de Polignac number, because 20412937 - 2³ = 20412929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20412967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245898 + ... + 245980.

It is an arithmetic number, because the mean of its divisors is an integer number (979944).

Almost surely, 2^20412937 is an apocalyptic number.

It is an amenable number.

20412937 is a deficient number, since it is larger than the sum of its proper divisors (3105719).

20412937 is a wasteful number, since it uses less digits than its factorization.

20412937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 20412937 is about 4518.0678392428. The cubic root of 20412937 is about 273.2971891859.

The spelling of 20412937 in words is "twenty million, four hundred twelve thousand, nine hundred thirty-seven".