20726794 has 16 divisors (see below), whose sum is σ = 34149600. Its totient is φ = 9356560.

The previous prime is 20726789. The next prime is 20726801. The reversal of 20726794 is 49762702.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117 + ... + 6439.

It is an arithmetic number, because the mean of its divisors is an integer number (2134350).

Almost surely, 2^20726794 is an apocalyptic number.

20726794 is a deficient number, since it is larger than the sum of its proper divisors (13422806).

20726794 is a wasteful number, since it uses less digits than its factorization.

20726794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6485.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 20726794 is about 4552.6688875867. The cubic root of 20726794 is about 274.6907554071.

The spelling of 20726794 in words is "twenty million, seven hundred twenty-six thousand, seven hundred ninety-four".