20682311 has 8 divisors (see below), whose sum is σ = 22318464. Its totient is φ = 19052640.

The previous prime is 20682293. The next prime is 20682329. The reversal of 20682311 is 11328602.

It is an interprime number because it is at equal distance from previous prime (20682293) and next prime (20682329).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20682311 - 2⁶ = 20682247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20682511) 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, 6581 + ... + 9201.

It is an arithmetic number, because the mean of its divisors is an integer number (2789808).

Almost surely, 2^20682311 is an apocalyptic number.

20682311 is a deficient number, since it is larger than the sum of its proper divisors (1636153).

20682311 is a wasteful number, since it uses less digits than its factorization.

20682311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 20682311 is about 4547.7808874219. The cubic root of 20682311 is about 274.4941046264.

The spelling of 20682311 in words is "twenty million, six hundred eighty-two thousand, three hundred eleven".