235161643020 has 96 divisors (see below), whose sum is σ = 697523232000. Its totient is φ = 59030809344.

The previous prime is 235161643019. The next prime is 235161643051. The reversal of 235161643020 is 20346161532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477970 + ... + 835929.

It is an arithmetic number, because the mean of its divisors is an integer number (7265867000).

Almost surely, 2^235161643020 is an apocalyptic number.

235161643020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235161643020 is an abundant number, since it is smaller than the sum of its proper divisors (462361588980).

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

235161643020 is a wasteful number, since it uses less digits than its factorization.

235161643020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314087 (or 1314085 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 235161643020 in words is "two hundred thirty-five billion, one hundred sixty-one million, six hundred forty-three thousand, twenty".