20860612 has 12 divisors (see below), whose sum is σ = 36709036. Its totient is φ = 10372320.

The previous prime is 20860607. The next prime is 20860627. The reversal of 20860612 is 21606802.

It can be written as a sum of positive squares in 2 ways, for example, as 1359556 + 19501056 = 1166^2 + 4416^2 .

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 3 ways as a sum of consecutive naturals, for example, 13683 + ... + 15130.

Almost surely, 2^20860612 is an apocalyptic number.

It is an amenable number.

20860612 is a deficient number, since it is larger than the sum of its proper divisors (15848424).

20860612 is a wasteful number, since it uses less digits than its factorization.

20860612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28998 (or 28996 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 20860612 is about 4567.3418965521. The cubic root of 20860612 is about 275.2806479260.

The spelling of 20860612 in words is "twenty million, eight hundred sixty thousand, six hundred twelve".