235604020 has 48 divisors (see below), whose sum is σ = 525199248. Its totient is φ = 88473600.

The previous prime is 235604011. The next prime is 235604087. The reversal of 235604020 is 20406532.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 38987536 + 196616484 = 6244^2 + 14022^2 .

It is a junction number, because it is equal to n+sod(n) for n = 235603982 and 235604000.

It is a congruent number.

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, 203764 + ... + 204916.

It is an arithmetic number, because the mean of its divisors is an integer number (10941651).

Almost surely, 2^235604020 is an apocalyptic number.

235604020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235604020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262599624).

235604020 is an abundant number, since it is smaller than the sum of its proper divisors (289595228).

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

235604020 is a wasteful number, since it uses less digits than its factorization.

235604020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780 (or 1778 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 235604020 is about 15349.3980337992. The cubic root of 235604020 is about 617.6288377107.

The spelling of 235604020 in words is "two hundred thirty-five million, six hundred four thousand, twenty".