1322331010220 has 48 divisors (see below), whose sum is σ = 3030316077600. Its totient is φ = 480692728320.

The previous prime is 1322331010211. The next prime is 1322331010243. The reversal of 1322331010220 is 220101332231.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1322331010192 and 1322331010201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282665 + ... + 1650624.

It is an arithmetic number, because the mean of its divisors is an integer number (63131584950).

Almost surely, 2^{1322331010220} is an apocalyptic number.

1322331010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322331010220 is an abundant number, since it is smaller than the sum of its proper divisors (1707985067380).

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

1322331010220 is a wasteful number, since it uses less digits than its factorization.

1322331010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936418 (or 1936416 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1322331010220 its reverse (220101332231), we get a palindrome (1542432342451).

The spelling of 1322331010220 in words is "one trillion, three hundred twenty-two billion, three hundred thirty-one million, ten thousand, two hundred twenty".