1302002223220 has 12 divisors (see below), whose sum is σ = 2734204668804. Its totient is φ = 520800889280.

The previous prime is 1302002223211. The next prime is 1302002223251. The reversal of 1302002223220 is 223222002031.

It can be written as a sum of positive squares in 2 ways, for example, as 385762725604 + 916239497616 = 621098^2 + 957204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32550055561 + ... + 32550055600.

It is an arithmetic number, because the mean of its divisors is an integer number (227850389067).

Almost surely, 2^{1302002223220} is an apocalyptic number.

1302002223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302002223220 is an abundant number, since it is smaller than the sum of its proper divisors (1432202445584).

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

1302002223220 is a wasteful number, since it uses less digits than its factorization.

1302002223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65100111170 (or 65100111168 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 1302002223220 its reverse (223222002031), we get a palindrome (1525224225251).

The spelling of 1302002223220 in words is "one trillion, three hundred two billion, two million, two hundred twenty-three thousand, two hundred twenty".