20932671 has 8 divisors (see below), whose sum is σ = 27991600. Its totient is φ = 13914432.

The previous prime is 20932651. The next prime is 20932679. The reversal of 20932671 is 17623902.

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

It is not a de Polignac number, because 20932671 - 2⁶ = 20932607 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 (20932679) 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, 8950 + ... + 11043.

It is an arithmetic number, because the mean of its divisors is an integer number (3498950).

Almost surely, 2^20932671 is an apocalyptic number.

20932671 is a deficient number, since it is larger than the sum of its proper divisors (7058929).

20932671 is a wasteful number, since it uses less digits than its factorization.

20932671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20345.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 20932671 is about 4575.2236010932. The cubic root of 20932671 is about 275.5972517970.

The spelling of 20932671 in words is "twenty million, nine hundred thirty-two thousand, six hundred seventy-one".