1320010030020 has 96 divisors (see below), whose sum is σ = 4033125210240. Its totient is φ = 319915560960.

The previous prime is 1320010030007. The next prime is 1320010030021. The reversal of 1320010030020 is 200300100231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1320010029978 and 1320010030005.

It is not an unprimeable number, because it can be changed into a prime (1320010030021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2178324 + ... + 2717556.

It is an arithmetic number, because the mean of its divisors is an integer number (42011720940).

Almost surely, 2^{1320010030020} is an apocalyptic number.

1320010030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320010030020 is an abundant number, since it is smaller than the sum of its proper divisors (2713115180220).

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

1320010030020 is a wasteful number, since it uses less digits than its factorization.

1320010030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542965 (or 542963 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1320010030020 its reverse (200300100231), we get a palindrome (1520310130251).

The spelling of 1320010030020 in words is "one trillion, three hundred twenty billion, ten million, thirty thousand, twenty".