20883716 has 24 divisors (see below), whose sum is σ = 42455616. Its totient is φ = 8802720.

The previous prime is 20883697. The next prime is 20883743. The reversal of 20883716 is 61738802.

It is a super-2 number, since 2×20883716² = 872259187937312, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4406 + ... + 7821.

It is an arithmetic number, because the mean of its divisors is an integer number (1768984).

Almost surely, 2^20883716 is an apocalyptic number.

It is an amenable number.

20883716 is an abundant number, since it is smaller than the sum of its proper divisors (21571900).

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

20883716 is a wasteful number, since it uses less digits than its factorization.

20883716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12299 (or 12297 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 20883716 is about 4569.8704576826. The cubic root of 20883716 is about 275.3822387057.

The spelling of 20883716 in words is "twenty million, eight hundred eighty-three thousand, seven hundred sixteen".