20798448 has 60 divisors (see below), whose sum is σ = 59074344. Its totient is φ = 6300800.

The previous prime is 20798447. The next prime is 20798461. The reversal of 20798448 is 84489702.

It is a super-3 number, since 3×20798448³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20798443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4018 + ... + 7598.

Almost surely, 2^20798448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20798448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29537172).

20798448 is an abundant number, since it is smaller than the sum of its proper divisors (38275896).

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

20798448 is a wasteful number, since it uses less digits than its factorization.

20798448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614 (or 3597 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 20798448 is about 4560.5315479667. The cubic root of 20798448 is about 275.0069331585.

The spelling of 20798448 in words is "twenty million, seven hundred ninety-eight thousand, four hundred forty-eight".