20259852 has 48 divisors (see below), whose sum is σ = 52698240. Its totient is φ = 6020352.

The previous prime is 20259847. The next prime is 20259881. The reversal of 20259852 is 25895202.

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, 1263 + ... + 6489.

It is an arithmetic number, because the mean of its divisors is an integer number (1097880).

Almost surely, 2^20259852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20259852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26349120).

20259852 is an abundant number, since it is smaller than the sum of its proper divisors (32438388).

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

20259852 is a wasteful number, since it uses less digits than its factorization.

20259852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5270 (or 5268 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 20259852 is about 4501.0945335551. The cubic root of 20259852 is about 272.6122848991.

The spelling of 20259852 in words is "twenty million, two hundred fifty-nine thousand, eight hundred fifty-two".