20726682 has 16 divisors (see below), whose sum is σ = 43635360. Its totient is φ = 6545232.

The previous prime is 20726681. The next prime is 20726683. The reversal of 20726682 is 28662702.

It is an interprime number because it is at equal distance from previous prime (20726681) and next prime (20726683).

It is not an unprimeable number, because it can be changed into a prime (20726681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90793 + ... + 91020.

It is an arithmetic number, because the mean of its divisors is an integer number (2727210).

Almost surely, 2^20726682 is an apocalyptic number.

20726682 is an abundant number, since it is smaller than the sum of its proper divisors (22908678).

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

20726682 is a wasteful number, since it uses less digits than its factorization.

20726682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181837.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 20726682 is about 4552.6565870929. The cubic root of 20726682 is about 274.6902606302.

The spelling of 20726682 in words is "twenty million, seven hundred twenty-six thousand, six hundred eighty-two".