20674712 has 16 divisors (see below), whose sum is σ = 39813360. Its totient is φ = 10057824.

The previous prime is 20674699. The next prime is 20674729. The reversal of 20674712 is 21747602.

It is a congruent number.

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, 34628 + ... + 35219.

It is an arithmetic number, because the mean of its divisors is an integer number (2488335).

Almost surely, 2^20674712 is an apocalyptic number.

It is an amenable number.

20674712 is a deficient number, since it is larger than the sum of its proper divisors (19138648).

20674712 is a wasteful number, since it uses less digits than its factorization.

20674712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69890 (or 69886 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 20674712 is about 4546.9453482530. The cubic root of 20674712 is about 274.4604827194.

The spelling of 20674712 in words is "twenty million, six hundred seventy-four thousand, seven hundred twelve".