20852610 has 16 divisors (see below), whose sum is σ = 50046336. Its totient is φ = 5560688.

The previous prime is 20852609. The next prime is 20852617. The reversal of 20852610 is 1625802.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20852617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347514 + ... + 347573.

It is an arithmetic number, because the mean of its divisors is an integer number (3127896).

Almost surely, 2^20852610 is an apocalyptic number.

20852610 is an abundant number, since it is smaller than the sum of its proper divisors (29193726).

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

20852610 is a wasteful number, since it uses less digits than its factorization.

20852610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695097.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 20852610 is about 4566.4658106680. The cubic root of 20852610 is about 275.2454447807.

The spelling of 20852610 in words is "twenty million, eight hundred fifty-two thousand, six hundred ten".