3555541908220 has 12 divisors (see below), whose sum is σ = 7466638007304. Its totient is φ = 1422216763280.

The previous prime is 3555541908143. The next prime is 3555541908241. The reversal of 3555541908220 is 228091455553.

It is a super-2 number, since 2×3555541908220² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88888547686 + ... + 88888547725.

It is an arithmetic number, because the mean of its divisors is an integer number (622219833942).

Almost surely, 2^{3555541908220} is an apocalyptic number.

It is an amenable number.

3555541908220 is an abundant number, since it is smaller than the sum of its proper divisors (3911096099084).

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

3555541908220 is a wasteful number, since it uses less digits than its factorization.

3555541908220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177777095420 (or 177777095418 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 3555541908220 in words is "three trillion, five hundred fifty-five billion, five hundred forty-one million, nine hundred eight thousand, two hundred twenty".