1320011330020 has 24 divisors (see below), whose sum is σ = 2772312379200. Its totient is φ = 527949563232.

The previous prime is 1320011330017. The next prime is 1320011330021. The reversal of 1320011330020 is 200331100231.

It is a super-2 number, since 2×1320011330020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320011329976 and 1320011330003.

It is not an unprimeable number, because it can be changed into a prime (1320011330021) 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, 3238360 + ... + 3623119.

It is an arithmetic number, because the mean of its divisors is an integer number (115513015800).

Almost surely, 2^{1320011330020} is an apocalyptic number.

1320011330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320011330020 is an abundant number, since it is smaller than the sum of its proper divisors (1452301049180).

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

1320011330020 is a wasteful number, since it uses less digits than its factorization.

1320011330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6871107 (or 6871105 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1320011330020 its reverse (200331100231), we get a palindrome (1520342430251).

The spelling of 1320011330020 in words is "one trillion, three hundred twenty billion, eleven million, three hundred thirty thousand, twenty".