235220535430 has 64 divisors (see below), whose sum is σ = 452185892928. Its totient is φ = 87966627840.

The previous prime is 235220535413. The next prime is 235220535437. The reversal of 235220535430 is 34535022532.

It is a happy number.

It is a super-3 number, since 3×235220535430³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235220535437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 808522 + ... + 1060258.

It is an arithmetic number, because the mean of its divisors is an integer number (7065404577).

Almost surely, 2^235220535430 is an apocalyptic number.

235220535430 is a deficient number, since it is larger than the sum of its proper divisors (216965357498).

235220535430 is a wasteful number, since it uses less digits than its factorization.

235220535430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251881.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 235220535430 its reverse (34535022532), we get a palindrome (269755557962).

The spelling of 235220535430 in words is "two hundred thirty-five billion, two hundred twenty million, five hundred thirty-five thousand, four hundred thirty".