20798488 has 16 divisors (see below), whose sum is σ = 39492000. Its totient is φ = 10267296.

The previous prime is 20798473. The next prime is 20798501. The reversal of 20798488 is 88489702.

It is a super-2 number, since 2×20798488² = 865154206172288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15823 + ... + 17086.

It is an arithmetic number, because the mean of its divisors is an integer number (2468250).

Almost surely, 2^20798488 is an apocalyptic number.

It is an amenable number.

20798488 is a deficient number, since it is larger than the sum of its proper divisors (18693512).

20798488 is a wasteful number, since it uses less digits than its factorization.

20798488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32994 (or 32990 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 20798488 is about 4560.5359334184. The cubic root of 20798488 is about 275.0071094581.

The spelling of 20798488 in words is "twenty million, seven hundred ninety-eight thousand, four hundred eighty-eight".