20355852 has 24 divisors (see below), whose sum is σ = 51815232. Its totient is φ = 6168400.

The previous prime is 20355847. The next prime is 20355877. The reversal of 20355852 is 25855302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76974 + ... + 77237.

It is an arithmetic number, because the mean of its divisors is an integer number (2158968).

Almost surely, 2^20355852 is an apocalyptic number.

20355852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20355852 is an abundant number, since it is smaller than the sum of its proper divisors (31459380).

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

20355852 is a wasteful number, since it uses less digits than its factorization.

20355852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154229 (or 154227 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 20355852 is about 4511.7460034891. The cubic root of 20355852 is about 273.0421918179.

It can be divided in two parts, 2035 and 5852, that added together give a palindrome (7887).

The spelling of 20355852 in words is "twenty million, three hundred fifty-five thousand, eight hundred fifty-two".