20726694 has 12 divisors (see below), whose sum is σ = 44907876. Its totient is φ = 6908892.

The previous prime is 20726683. The next prime is 20726711. The reversal of 20726694 is 49662702.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 575724 + ... + 575759.

It is an arithmetic number, because the mean of its divisors is an integer number (3742323).

Almost surely, 2^20726694 is an apocalyptic number.

20726694 is an abundant number, since it is smaller than the sum of its proper divisors (24181182).

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

20726694 is a wasteful number, since it uses less digits than its factorization.

20726694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151491 (or 1151488 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 20726694 is about 4552.6579050045. The cubic root of 20726694 is about 274.6903136421.

The spelling of 20726694 in words is "twenty million, seven hundred twenty-six thousand, six hundred ninety-four".