20416892 has 12 divisors (see below), whose sum is σ = 35761320. Its totient is φ = 10199376.

The previous prime is 20416889. The next prime is 20416909. The reversal of 20416892 is 29861402.

It is a congruent number.

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, 7043 + ... + 9509.

It is an arithmetic number, because the mean of its divisors is an integer number (2980110).

Almost surely, 2^20416892 is an apocalyptic number.

It is an amenable number.

20416892 is a deficient number, since it is larger than the sum of its proper divisors (15344428).

20416892 is a wasteful number, since it uses less digits than its factorization.

20416892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540 (or 4538 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 20416892 is about 4518.5055051422. The cubic root of 20416892 is about 273.3148384604.

The spelling of 20416892 in words is "twenty million, four hundred sixteen thousand, eight hundred ninety-two".