20446116 has 12 divisors (see below), whose sum is σ = 47707632. Its totient is φ = 6815368.

The previous prime is 20446093. The next prime is 20446123. The reversal of 20446116 is 61164402.

It is a tau number, because it is divible by the number of its divisors (12).

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, 851910 + ... + 851933.

It is an arithmetic number, because the mean of its divisors is an integer number (3975636).

Almost surely, 2^20446116 is an apocalyptic number.

It is an amenable number.

20446116 is an abundant number, since it is smaller than the sum of its proper divisors (27261516).

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

20446116 is a wasteful number, since it uses less digits than its factorization.

20446116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703850 (or 1703848 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20446116 is about 4521.7381613711. The cubic root of 20446116 is about 273.4451806126.

The spelling of 20446116 in words is "twenty million, four hundred forty-six thousand, one hundred sixteen".