20852828 has 6 divisors (see below), whose sum is σ = 36492456. Its totient is φ = 10426412.

The previous prime is 20852809. The next prime is 20852831. The reversal of 20852828 is 82825802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2606600 + ... + 2606607.

It is an arithmetic number, because the mean of its divisors is an integer number (6082076).

Almost surely, 2^20852828 is an apocalyptic number.

It is an amenable number.

20852828 is a deficient number, since it is larger than the sum of its proper divisors (15639628).

20852828 is a wasteful number, since it uses less digits than its factorization.

20852828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5213211 (or 5213209 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 20852828 is about 4566.4896802686. The cubic root of 20852828 is about 275.2464039460.

It can be divided in two parts, 2085 and 2828, that added together give a cube (4913 = 17³).

The spelling of 20852828 in words is "twenty million, eight hundred fifty-two thousand, eight hundred twenty-eight".