20926712 has 8 divisors (see below), whose sum is σ = 39237600. Its totient is φ = 10463352.

The previous prime is 20926699. The next prime is 20926723. The reversal of 20926712 is 21762902.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1307912 + ... + 1307927.

It is an arithmetic number, because the mean of its divisors is an integer number (4904700).

Almost surely, 2^20926712 is an apocalyptic number.

It is an amenable number.

20926712 is a deficient number, since it is larger than the sum of its proper divisors (18310888).

20926712 is a wasteful number, since it uses less digits than its factorization.

20926712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615845 (or 2615841 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 20926712 is about 4574.5723297375. The cubic root of 20926712 is about 275.5710974681.

The spelling of 20926712 in words is "twenty million, nine hundred twenty-six thousand, seven hundred twelve".