1302002201320 has 16 divisors (see below), whose sum is σ = 2929504953060. Its totient is φ = 520800880512.

The previous prime is 1302002201287. The next prime is 1302002201321. The reversal of 1302002201320 is 231022002031.

It can be written as a sum of positive squares in 2 ways, for example, as 1257928237476 + 44073963844 = 1121574^2 + 209938^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1302002201294 and 1302002201303.

It is not an unprimeable number, because it can be changed into a prime (1302002201321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16275027477 + ... + 16275027556.

Almost surely, 2^{1302002201320} is an apocalyptic number.

1302002201320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302002201320 is an abundant number, since it is smaller than the sum of its proper divisors (1627502751740).

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

1302002201320 is a wasteful number, since it uses less digits than its factorization.

1302002201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32550055044 (or 32550055040 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1302002201320 its reverse (231022002031), we get a palindrome (1533024203351).

The spelling of 1302002201320 in words is "one trillion, three hundred two billion, two million, two hundred one thousand, three hundred twenty".