20200916 has 12 divisors (see below), whose sum is σ = 35569632. Its totient is φ = 10038168.

The previous prime is 20200903. The next prime is 20200937. The reversal of 20200916 is 61900202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14840 + ... + 16143.

It is an arithmetic number, because the mean of its divisors is an integer number (2964136).

Almost surely, 2^20200916 is an apocalyptic number.

It is an amenable number.

20200916 is a deficient number, since it is larger than the sum of its proper divisors (15368716).

20200916 is a wasteful number, since it uses less digits than its factorization.

20200916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31150 (or 31148 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 20200916 is about 4494.5429133562. The cubic root of 20200916 is about 272.3476847070.

The spelling of 20200916 in words is "twenty million, two hundred thousand, nine hundred sixteen".