20413368 has 24 divisors (see below), whose sum is σ = 55286400. Its totient is φ = 6804432.

The previous prime is 20413357. The next prime is 20413399. The reversal of 20413368 is 86331402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141688 + ... + 141831.

It is an arithmetic number, because the mean of its divisors is an integer number (2303600).

Almost surely, 2^20413368 is an apocalyptic number.

It is an amenable number.

20413368 is an abundant number, since it is smaller than the sum of its proper divisors (34873032).

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

20413368 is a wasteful number, since it uses less digits than its factorization.

20413368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283531 (or 283524 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 20413368 is about 4518.1155363713. The cubic root of 20413368 is about 273.2991126436.

The spelling of 20413368 in words is "twenty million, four hundred thirteen thousand, three hundred sixty-eight".