20704326 has 16 divisors (see below), whose sum is σ = 41658624. Its totient is φ = 6859784.

The previous prime is 20704309. The next prime is 20704379. The reversal of 20704326 is 62340702.

It is a super-2 number, since 2×20704326² = 857338230228552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20704296 and 20704305.

It is a congruent 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, 9330 + ... + 11333.

It is an arithmetic number, because the mean of its divisors is an integer number (2603664).

Almost surely, 2^20704326 is an apocalyptic number.

20704326 is an abundant number, since it is smaller than the sum of its proper divisors (20954298).

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

20704326 is a wasteful number, since it uses less digits than its factorization.

20704326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20835.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 20704326 is about 4550.2006549162. The cubic root of 20704326 is about 274.5914639085.

The spelling of 20704326 in words is "twenty million, seven hundred four thousand, three hundred twenty-six".