20048460 has 48 divisors (see below), whose sum is σ = 56651616. Its totient is φ = 5297152.

The previous prime is 20048459. The next prime is 20048471. The reversal of 20048460 is 6484002.

It is a self number, because there is not a number n which added to its sum of digits gives 20048460.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5302 + ... + 8258.

It is an arithmetic number, because the mean of its divisors is an integer number (1180242).

Almost surely, 2^20048460 is an apocalyptic number.

20048460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20048460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28325808).

20048460 is an abundant number, since it is smaller than the sum of its proper divisors (36603156).

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

20048460 is a wasteful number, since it uses less digits than its factorization.

20048460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082 (or 3080 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 20048460 is about 4477.5506697300. The cubic root of 20048460 is about 271.6608192919.

The spelling of 20048460 in words is "twenty million, forty-eight thousand, four hundred sixty".