20876516 has 24 divisors (see below), whose sum is σ = 39701760. Its totient is φ = 9568800.

The previous prime is 20876489. The next prime is 20876519. The reversal of 20876516 is 61567802.

It is not an unprimeable number, because it can be changed into a prime (20876519) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2075 + ... + 6786.

It is an arithmetic number, because the mean of its divisors is an integer number (1654240).

Almost surely, 2^20876516 is an apocalyptic number.

It is an amenable number.

20876516 is a deficient number, since it is larger than the sum of its proper divisors (18825244).

20876516 is a wasteful number, since it uses less digits than its factorization.

20876516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915 (or 8913 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 20876516 is about 4569.0826212709. The cubic root of 20876516 is about 275.3505875694.

The spelling of 20876516 in words is "twenty million, eight hundred seventy-six thousand, five hundred sixteen".