20973382 has 8 divisors (see below), whose sum is σ = 31493952. Its totient is φ = 10475400.

The previous prime is 20973371. The next prime is 20973383. The reversal of 20973382 is 28337902.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20973383) 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, 3094 + ... + 7177.

It is an arithmetic number, because the mean of its divisors is an integer number (3936744).

Almost surely, 2^20973382 is an apocalyptic number.

20973382 is a deficient number, since it is larger than the sum of its proper divisors (10520570).

20973382 is a wasteful number, since it uses less digits than its factorization.

20973382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11294.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 20973382 is about 4579.6705121657. The cubic root of 20973382 is about 275.7758016170.

The spelling of 20973382 in words is "twenty million, nine hundred seventy-three thousand, three hundred eighty-two".