235434520420 has 48 divisors (see below), whose sum is σ = 539642875968. Its totient is φ = 85567506560.

The previous prime is 235434520417. The next prime is 235434520427. The reversal of 235434520420 is 24025434532.

It is not an unprimeable number, because it can be changed into a prime (235434520427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138954 + ... + 700126.

It is an arithmetic number, because the mean of its divisors is an integer number (11242559916).

Almost surely, 2^235434520420 is an apocalyptic number.

235434520420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235434520420 is an abundant number, since it is smaller than the sum of its proper divisors (304208355548).

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

235434520420 is a wasteful number, since it uses less digits than its factorization.

235434520420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563100 (or 563098 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 235434520420 its reverse (24025434532), we get a palindrome (259459954952).

The spelling of 235434520420 in words is "two hundred thirty-five billion, four hundred thirty-four million, five hundred twenty thousand, four hundred twenty".