20937796 has 12 divisors (see below), whose sum is σ = 39972240. Its totient is φ = 9517160.

The previous prime is 20937793. The next prime is 20937821. The reversal of 20937796 is 69773902.

It is not an unprimeable number, because it can be changed into a prime (20937793) 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, 237886 + ... + 237973.

It is an arithmetic number, because the mean of its divisors is an integer number (3331020).

Almost surely, 2^20937796 is an apocalyptic number.

It is an amenable number.

20937796 is a deficient number, since it is larger than the sum of its proper divisors (19034444).

20937796 is a wasteful number, since it uses less digits than its factorization.

20937796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475874 (or 475872 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 20937796 is about 4575.7836487317. The cubic root of 20937796 is about 275.6197416911.

It can be divided in two parts, 2093 and 7796, that added together give a palindrome (9889).

The spelling of 20937796 in words is "twenty million, nine hundred thirty-seven thousand, seven hundred ninety-six".