20797373 has 8 divisors (see below), whose sum is σ = 21993216. Its totient is φ = 19634400.

The previous prime is 20797363. The next prime is 20797411. The reversal of 20797373 is 37379702.

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

It is a cyclic number.

It is not a de Polignac number, because 20797373 - 2²⁴ = 4020157 is a prime.

It is a super-2 number, since 2×20797373² = 865061447402258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20797363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6911 + ... + 9452.

It is an arithmetic number, because the mean of its divisors is an integer number (2749152).

Almost surely, 2^20797373 is an apocalyptic number.

It is an amenable number.

20797373 is a deficient number, since it is larger than the sum of its proper divisors (1195843).

20797373 is a wasteful number, since it uses less digits than its factorization.

20797373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16435.

The product of its (nonzero) digits is 55566, while the sum is 38.

The square root of 20797373 is about 4560.4136873753. The cubic root of 20797373 is about 275.0021950238.

The spelling of 20797373 in words is "twenty million, seven hundred ninety-seven thousand, three hundred seventy-three".