235120520 has 32 divisors (see below), whose sum is σ = 529464600. Its totient is φ = 93969408.

The previous prime is 235120507. The next prime is 235120537. The reversal of 235120520 is 25021532.

It can be written as a sum of positive squares in 4 ways, for example, as 209496676 + 25623844 = 14474^2 + 5062^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 235120492 and 235120501.

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, 79712 + ... + 82608.

Almost surely, 2^235120520 is an apocalyptic number.

235120520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235120520 is an abundant number, since it is smaller than the sum of its proper divisors (294344080).

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

235120520 is a wasteful number, since it uses less digits than its factorization.

235120520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937 (or 4933 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 235120520 is about 15333.6401418580. The cubic root of 235120520 is about 617.2060548115.

The spelling of 235120520 in words is "two hundred thirty-five million, one hundred twenty thousand, five hundred twenty".