20048988 has 24 divisors (see below), whose sum is σ = 46923408. Its totient is φ = 6662656.

The previous prime is 20048981. The next prime is 20049023. The reversal of 20048988 is 88984002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20048981) 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, 1870 + ... + 6602.

It is an arithmetic number, because the mean of its divisors is an integer number (1955142).

Almost surely, 2^20048988 is an apocalyptic number.

It is an amenable number.

20048988 is an abundant number, since it is smaller than the sum of its proper divisors (26874420).

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

20048988 is a wasteful number, since it uses less digits than its factorization.

20048988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5093 (or 5091 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 20048988 is about 4477.6096301487. The cubic root of 20048988 is about 271.6632041077.

The spelling of 20048988 in words is "twenty million, forty-eight thousand, nine hundred eighty-eight".