355502223020 has 48 divisors (see below), whose sum is σ = 853983466560. Its totient is φ = 121775314944.

The previous prime is 355502223019. The next prime is 355502223029. The reversal of 355502223020 is 20322205553.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (355502223029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1003805 + ... + 1310964.

It is an arithmetic number, because the mean of its divisors is an integer number (17791322220).

Almost surely, 2^355502223020 is an apocalyptic number.

It is an amenable number.

355502223020 is an abundant number, since it is smaller than the sum of its proper divisors (498481243540).

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

355502223020 is a wasteful number, since it uses less digits than its factorization.

355502223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315882 (or 2315880 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

Adding to 355502223020 its reverse (20322205553), we get a palindrome (375824428573).

The spelling of 355502223020 in words is "three hundred fifty-five billion, five hundred two million, two hundred twenty-three thousand, twenty".