20598048 has 72 divisors (see below), whose sum is σ = 60189948. Its totient is φ = 6676992.

The previous prime is 20598007. The next prime is 20598049. The reversal of 20598048 is 84089502.

20598048 is a `hidden beast` number, since 20 + 598 + 0 + 48 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18558864 + 2039184 = 4308^2 + 1428^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20598049) 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, 9690 + ... + 11622.

Almost surely, 2^20598048 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 20598048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30094974).

20598048 is an abundant number, since it is smaller than the sum of its proper divisors (39591900).

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

20598048 is a wasteful number, since it uses less digits than its factorization.

20598048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986 (or 1975 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 20598048 is about 4538.5072435769. The cubic root of 20598048 is about 274.1208197878.

The spelling of 20598048 in words is "twenty million, five hundred ninety-eight thousand, forty-eight".