1331330022220 has 48 divisors (see below), whose sum is σ = 3061823714208. Its totient is φ = 482236252160.

The previous prime is 1331330022181. The next prime is 1331330022227. The reversal of 1331330022220 is 222200331331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1331330022191 and 1331330022200.

It is not an unprimeable number, because it can be changed into a prime (1331330022227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11716807 + ... + 11829886.

It is an arithmetic number, because the mean of its divisors is an integer number (63787994046).

Almost surely, 2^{1331330022220} is an apocalyptic number.

1331330022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331330022220 is an abundant number, since it is smaller than the sum of its proper divisors (1730493691988).

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

1331330022220 is a wasteful number, since it uses less digits than its factorization.

1331330022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23546970 (or 23546968 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1331330022220 its reverse (222200331331), we get a palindrome (1553530353551).

The spelling of 1331330022220 in words is "one trillion, three hundred thirty-one billion, three hundred thirty million, twenty-two thousand, two hundred twenty".