235777800020 has 48 divisors (see below), whose sum is σ = 568337831040. Its totient is φ = 80485087104.

The previous prime is 235777799989. The next prime is 235777800109. The reversal of 235777800020 is 20008777532.

It is a super-2 number, since 2×235777800020² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 3645074 + ... + 3709193.

It is an arithmetic number, because the mean of its divisors is an integer number (11840371480).

Almost surely, 2^235777800020 is an apocalyptic number.

235777800020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235777800020 is an abundant number, since it is smaller than the sum of its proper divisors (332560031020).

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

235777800020 is a wasteful number, since it uses less digits than its factorization.

235777800020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7354512 (or 7354510 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 235777800020 in words is "two hundred thirty-five billion, seven hundred seventy-seven million, eight hundred thousand, twenty".