20936382 has 8 divisors (see below), whose sum is σ = 41872776. Its totient is φ = 6978792.

The previous prime is 20936381. The next prime is 20936387. The reversal of 20936382 is 28363902.

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

20936382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20936381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1744693 + ... + 1744704.

It is an arithmetic number, because the mean of its divisors is an integer number (5234097).

Almost surely, 2^20936382 is an apocalyptic number.

20936382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20936382 is a wasteful number, since it uses less digits than its factorization.

20936382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489402.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 20936382 is about 4575.6291370696. The cubic root of 20936382 is about 275.6135370411.

The spelling of 20936382 in words is "twenty million, nine hundred thirty-six thousand, three hundred eighty-two".