20908341 has 32 divisors (see below), whose sum is σ = 33264000. Its totient is φ = 12939264.

The previous prime is 20908339. The next prime is 20908397. The reversal of 20908341 is 14380902.

It is not a de Polignac number, because 20908341 - 2¹ = 20908339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20908301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26805 + ... + 27573.

It is an arithmetic number, because the mean of its divisors is an integer number (1039500).

Almost surely, 2^20908341 is an apocalyptic number.

It is an amenable number.

20908341 is a deficient number, since it is larger than the sum of its proper divisors (12355659).

20908341 is a wasteful number, since it uses less digits than its factorization.

20908341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20908341 is about 4572.5639415978. The cubic root of 20908341 is about 275.4904350310.

The spelling of 20908341 in words is "twenty million, nine hundred eight thousand, three hundred forty-one".