355042252020 has 96 divisors (see below), whose sum is σ = 998660855808. Its totient is φ = 94245868672.

The previous prime is 355042252009. The next prime is 355042252021. The reversal of 355042252020 is 20252240553.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355042252021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22510177 + ... + 22525943.

It is an arithmetic number, because the mean of its divisors is an integer number (10402717248).

Almost surely, 2^355042252020 is an apocalyptic number.

355042252020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

355042252020 is an abundant number, since it is smaller than the sum of its proper divisors (643618603788).

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

355042252020 is a wasteful number, since it uses less digits than its factorization.

355042252020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17469 (or 17467 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

Adding to 355042252020 its reverse (20252240553), we get a palindrome (375294492573).

The spelling of 355042252020 in words is "three hundred fifty-five billion, forty-two million, two hundred fifty-two thousand, twenty".