20908412 has 24 divisors (see below), whose sum is σ = 42026880. Its totient is φ = 8915760.

The previous prime is 20908411. The next prime is 20908423. The reversal of 20908412 is 21480902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20908411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4139 + ... + 7677.

It is an arithmetic number, because the mean of its divisors is an integer number (1751120).

Almost surely, 2^20908412 is an apocalyptic number.

It is an amenable number.

20908412 is an abundant number, since it is smaller than the sum of its proper divisors (21118468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20908412 is a wasteful number, since it uses less digits than its factorization.

20908412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761 (or 3759 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 20908412 is about 4572.5717052880. The cubic root of 20908412 is about 275.4907468651.

The spelling of 20908412 in words is "twenty million, nine hundred eight thousand, four hundred twelve".