20798052 has 24 divisors (see below), whose sum is σ = 52940832. Its totient is φ = 6302400.

The previous prime is 20798051. The next prime is 20798077. The reversal of 20798052 is 25089702.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (20798051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78649 + ... + 78912.

It is an arithmetic number, because the mean of its divisors is an integer number (2205868).

Almost surely, 2^20798052 is an apocalyptic number.

20798052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20798052 is an abundant number, since it is smaller than the sum of its proper divisors (32142780).

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

20798052 is a wasteful number, since it uses less digits than its factorization.

20798052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157579 (or 157577 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 20798052 is about 4560.4881317684. The cubic root of 20798052 is about 275.0051877809.

The spelling of 20798052 in words is "twenty million, seven hundred ninety-eight thousand, fifty-two".