20676912 has 20 divisors (see below), whose sum is σ = 53415480. Its totient is φ = 6892288.

The previous prime is 20676893. The next prime is 20676919. The reversal of 20676912 is 21967602.

It is not an unprimeable number, because it can be changed into a prime (20676919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215337 + ... + 215432.

It is an arithmetic number, because the mean of its divisors is an integer number (2670774).

Almost surely, 2^20676912 is an apocalyptic number.

It is an amenable number.

20676912 is an abundant number, since it is smaller than the sum of its proper divisors (32738568).

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

20676912 is a wasteful number, since it uses less digits than its factorization.

20676912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430780 (or 430774 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 20676912 is about 4547.1872624734. The cubic root of 20676912 is about 274.4702175046.

The spelling of 20676912 in words is "twenty million, six hundred seventy-six thousand, nine hundred twelve".