235201225520 has 40 divisors (see below), whose sum is σ = 570618629856. Its totient is φ = 89990033408.

The previous prime is 235201225513. The next prime is 235201225529. The reversal of 235201225520 is 25522102532.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×235201225520³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (235201225529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63911537 + ... + 63915216.

Almost surely, 2^235201225520 is an apocalyptic number.

235201225520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235201225520 is an abundant number, since it is smaller than the sum of its proper divisors (335417404336).

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

235201225520 is a wasteful number, since it uses less digits than its factorization.

235201225520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127826789 (or 127826783 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 235201225520 in words is "two hundred thirty-five billion, two hundred one million, two hundred twenty-five thousand, five hundred twenty".