20852496 has 120 divisors (see below), whose sum is σ = 67626624. Its totient is φ = 5875200.

The previous prime is 20852473. The next prime is 20852501. The reversal of 20852496 is 69425802.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20852496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138021 + ... + 138171.

Almost surely, 2^20852496 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 20852496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33813312).

20852496 is an abundant number, since it is smaller than the sum of its proper divisors (46774128).

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

20852496 is a wasteful number, since it uses less digits than its factorization.

20852496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 20852496 is about 4566.4533283501. The cubic root of 20852496 is about 275.2449431962.

The spelling of 20852496 in words is "twenty million, eight hundred fifty-two thousand, four hundred ninety-six".