1330403020420 has 12 divisors (see below), whose sum is σ = 2793846342924. Its totient is φ = 532161208160.

The previous prime is 1330403020391. The next prime is 1330403020439. The reversal of 1330403020420 is 240203040331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 175547592256 + 1154855428164 = 418984^2 + 1074642^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1330403020391 and 1330403020400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33260075491 + ... + 33260075530.

It is an arithmetic number, because the mean of its divisors is an integer number (232820528577).

Almost surely, 2^{1330403020420} is an apocalyptic number.

1330403020420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330403020420 is an abundant number, since it is smaller than the sum of its proper divisors (1463443322504).

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

1330403020420 is a wasteful number, since it uses less digits than its factorization.

1330403020420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66520151030 (or 66520151028 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 1330403020420 its reverse (240203040331), we get a palindrome (1570606060751).

The spelling of 1330403020420 in words is "one trillion, three hundred thirty billion, four hundred three million, twenty thousand, four hundred twenty".