20876306 has 16 divisors (see below), whose sum is σ = 36171360. Its totient is φ = 8930880.

The previous prime is 20876293. The next prime is 20876309. The reversal of 20876306 is 60367802.

It is not an unprimeable number, because it can be changed into a prime (20876309) by changing a digit.

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, 27536 + ... + 28283.

It is an arithmetic number, because the mean of its divisors is an integer number (2260710).

Almost surely, 2^20876306 is an apocalyptic number.

20876306 is a deficient number, since it is larger than the sum of its proper divisors (15295054).

20876306 is a wasteful number, since it uses less digits than its factorization.

20876306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55849.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 20876306 is about 4569.0596406701. The cubic root of 20876306 is about 275.3496643020.

The spelling of 20876306 in words is "twenty million, eight hundred seventy-six thousand, three hundred six".