20048660 has 12 divisors (see below), whose sum is σ = 42102228. Its totient is φ = 8019456.

The previous prime is 20048659. The next prime is 20048669. The reversal of 20048660 is 6684002.

It can be written as a sum of positive squares in 2 ways, for example, as 13808656 + 6240004 = 3716^2 + 2498^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20048669) 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, 501197 + ... + 501236.

It is an arithmetic number, because the mean of its divisors is an integer number (3508519).

Almost surely, 2^20048660 is an apocalyptic number.

20048660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20048660 is an abundant number, since it is smaller than the sum of its proper divisors (22053568).

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

20048660 is a wasteful number, since it uses less digits than its factorization.

20048660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002442 (or 1002440 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 20048660 is about 4477.5730033133. The cubic root of 20048660 is about 271.6617226362.

The spelling of 20048660 in words is "twenty million, forty-eight thousand, six hundred sixty".