355041220 has 24 divisors (see below), whose sum is σ = 784828800. Its totient is φ = 134541792.

The previous prime is 355041217. The next prime is 355041227. The reversal of 355041220 is 22140553.

It is a junction number, because it is equal to n+sod(n) for n = 355041191 and 355041200.

It is not an unprimeable number, because it can be changed into a prime (355041227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466780 + ... + 467539.

It is an arithmetic number, because the mean of its divisors is an integer number (32701200).

Almost surely, 2^355041220 is an apocalyptic number.

It is an amenable number.

355041220 is an abundant number, since it is smaller than the sum of its proper divisors (429787580).

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

355041220 is a wasteful number, since it uses less digits than its factorization.

355041220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934347 (or 934345 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 355041220 is about 18842.5375148890. The cubic root of 355041220 is about 708.0972793439.

Adding to 355041220 its reverse (22140553), we get a palindrome (377181773).

The spelling of 355041220 in words is "three hundred fifty-five million, forty-one thousand, two hundred twenty".