20166048 has 108 divisors (see below), whose sum is σ = 66756690. Its totient is φ = 5757696.

The previous prime is 20166001. The next prime is 20166053. The reversal of 20166048 is 84066102.

It can be written as a sum of positive squares in only one way, i.e., 19820304 + 345744 = 4452^2 + 588^2 .

20166048 is a modest number, since divided by 6048 gives 2016 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13398 + ... + 14826.

Almost surely, 2^20166048 is an apocalyptic number.

20166048 is a gapful number since it is divisible by the number (28) 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 20166048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33378345).

20166048 is an abundant number, since it is smaller than the sum of its proper divisors (46590642).

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

20166048 is a wasteful number, since it uses less digits than its factorization.

20166048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459 (or 1441 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 20166048 is about 4490.6623119535. The cubic root of 20166048 is about 272.1908982854.

The spelling of 20166048 in words is "twenty million, one hundred sixty-six thousand, forty-eight".