1320421015330 has 16 divisors (see below), whose sum is σ = 2376800449344. Its totient is φ = 528158934640.

The previous prime is 1320421015261. The next prime is 1320421015367. The reversal of 1320421015330 is 335101240231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1320421015295 and 1320421015304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583936 + ... + 1726795.

It is an arithmetic number, because the mean of its divisors is an integer number (148550028084).

Almost surely, 2^{1320421015330} is an apocalyptic number.

1320421015330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320421015330 is a deficient number, since it is larger than the sum of its proper divisors (1056379434014).

1320421015330 is a wasteful number, since it uses less digits than its factorization.

1320421015330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367881.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1320421015330 its reverse (335101240231), we get a palindrome (1655522255561).

The spelling of 1320421015330 in words is "one trillion, three hundred twenty billion, four hundred twenty-one million, fifteen thousand, three hundred thirty".