20437412 has 12 divisors (see below), whose sum is σ = 36299760. Its totient is φ = 10066056.

The previous prime is 20437381. The next prime is 20437453. The reversal of 20437412 is 21473402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37862 + ... + 38397.

It is an arithmetic number, because the mean of its divisors is an integer number (3024980).

Almost surely, 2^20437412 is an apocalyptic number.

It is an amenable number.

20437412 is a deficient number, since it is larger than the sum of its proper divisors (15862348).

20437412 is a wasteful number, since it uses less digits than its factorization.

20437412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76330 (or 76328 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 20437412 is about 4520.7755971736. The cubic root of 20437412 is about 273.4063728399.

The spelling of 20437412 in words is "twenty million, four hundred thirty-seven thousand, four hundred twelve".