355000220 has 24 divisors (see below), whose sum is σ = 769550208. Its totient is φ = 137419200.

The previous prime is 355000211. The next prime is 355000229. The reversal of 355000220 is 22000553.

It is an interprime number because it is at equal distance from previous prime (355000211) and next prime (355000229).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355000229) 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, 285671 + ... + 286910.

It is an arithmetic number, because the mean of its divisors is an integer number (32064592).

Almost surely, 2^355000220 is an apocalyptic number.

It is an amenable number.

355000220 is an abundant number, since it is smaller than the sum of its proper divisors (414549988).

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

355000220 is a wasteful number, since it uses less digits than its factorization.

355000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572621 (or 572619 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 355000220 is about 18841.4495196097. The cubic root of 355000220 is about 708.0700213764.

Adding to 355000220 its reverse (22000553), we get a palindrome (377000773).

The spelling of 355000220 in words is "three hundred fifty-five million, two hundred twenty", and thus it is an aban number.