1320142332402 has 12 divisors (see below), whose sum is σ = 2860308386910. Its totient is φ = 440047444128.

The previous prime is 1320142332373. The next prime is 1320142332407. The reversal of 1320142332402 is 2042332410231.

1320142332402 is a `hidden beast` number, since 1 + 3 + 20 + 1 + 4 + 233 + 2 + 402 = 666.

It can be written as a sum of positive squares in only one way, i.e., 908759917521 + 411382414881 = 953289^2 + 641391^2 .

It is not an unprimeable number, because it can be changed into a prime (1320142332407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36670620327 + ... + 36670620362.

Almost surely, 2^{1320142332402} is an apocalyptic number.

1320142332402 is an abundant number, since it is smaller than the sum of its proper divisors (1540166054508).

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

1320142332402 is a wasteful number, since it uses less digits than its factorization.

1320142332402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73341240697 (or 73341240694 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1320142332402 its reverse (2042332410231), we get a palindrome (3362474742633).

The spelling of 1320142332402 in words is "one trillion, three hundred twenty billion, one hundred forty-two million, three hundred thirty-two thousand, four hundred two".