20964112 has 30 divisors (see below), whose sum is σ = 43988442. Its totient is φ = 9674496.

The previous prime is 20964107. The next prime is 20964121. The reversal of 20964112 is 21146902.

It can be written as a sum of positive squares in 3 ways, for example, as 2611456 + 18352656 = 1616^2 + 4284^2 .

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 5 ways as a sum of consecutive naturals, for example, 1173 + ... + 6580.

Almost surely, 2^20964112 is an apocalyptic number.

It is an amenable number.

20964112 is an abundant number, since it is smaller than the sum of its proper divisors (23024330).

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

20964112 is a wasteful number, since it uses less digits than its factorization.

20964112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787 (or 7768 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 20964112 is about 4578.6583187654. The cubic root of 20964112 is about 275.7351656907.

The spelling of 20964112 in words is "twenty million, nine hundred sixty-four thousand, one hundred twelve".