20797852 has 6 divisors (see below), whose sum is σ = 36396248. Its totient is φ = 10398924.

The previous prime is 20797841. The next prime is 20797859. The reversal of 20797852 is 25879702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20797859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2599728 + ... + 2599735.

Almost surely, 2^20797852 is an apocalyptic number.

It is an amenable number.

20797852 is a deficient number, since it is larger than the sum of its proper divisors (15598396).

20797852 is a wasteful number, since it uses less digits than its factorization.

20797852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5199467 (or 5199465 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 20797852 is about 4560.4662042383. The cubic root of 20797852 is about 275.0043062687.

The spelling of 20797852 in words is "twenty million, seven hundred ninety-seven thousand, eight hundred fifty-two".