331420221202220 has 12 divisors (see below), whose sum is σ = 695982464524704. Its totient is φ = 132568088480880.

The previous prime is 331420221202207. The next prime is 331420221202319. The reversal of 331420221202220 is 22202122024133.

It is a self number, because there is not a number n which added to its sum of digits gives 331420221202220.

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, 8285505530036 + ... + 8285505530075.

It is an arithmetic number, because the mean of its divisors is an integer number (57998538710392).

Almost surely, 2^{331420221202220} is an apocalyptic number.

It is an amenable number.

331420221202220 is an abundant number, since it is smaller than the sum of its proper divisors (364562243322484).

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

331420221202220 is a wasteful number, since it uses less digits than its factorization.

331420221202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16571011060120 (or 16571011060118 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 331420221202220 its reverse (22202122024133), we get a palindrome (353622343226353).

The spelling of 331420221202220 in words is "three hundred thirty-one trillion, four hundred twenty billion, two hundred twenty-one million, two hundred two thousand, two hundred twenty".