20048680 has 16 divisors (see below), whose sum is σ = 45109620. Its totient is φ = 8019456.

The previous prime is 20048669. The next prime is 20048683. The reversal of 20048680 is 8684002.

It can be written as a sum of positive squares in 2 ways, for example, as 19695844 + 352836 = 4438^2 + 594^2 .

It is not an unprimeable number, because it can be changed into a prime (20048683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250569 + ... + 250648.

Almost surely, 2^20048680 is an apocalyptic number.

20048680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20048680 is an abundant number, since it is smaller than the sum of its proper divisors (25060940).

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

20048680 is a wasteful number, since it uses less digits than its factorization.

20048680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501228 (or 501224 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 20048680 is about 4477.5752366655. The cubic root of 20048680 is about 271.6618129703.

The spelling of 20048680 in words is "twenty million, forty-eight thousand, six hundred eighty".