1302013210420 has 36 divisors (see below), whose sum is σ = 2960731822860. Its totient is φ = 480743337984.

The previous prime is 1302013210373. The next prime is 1302013210429. The reversal of 1302013210420 is 240123102031.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 358709957776 + 943303252644 = 598924^2 + 971238^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302013210429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192602125 + ... + 192608884.

It is an arithmetic number, because the mean of its divisors is an integer number (82242550635).

Almost surely, 2^{1302013210420} is an apocalyptic number.

1302013210420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302013210420 is an abundant number, since it is smaller than the sum of its proper divisors (1658718612440).

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

1302013210420 is a wasteful number, since it uses less digits than its factorization.

1302013210420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385211044 (or 385211029 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1302013210420 its reverse (240123102031), we get a palindrome (1542136312451).

The spelling of 1302013210420 in words is "one trillion, three hundred two billion, thirteen million, two hundred ten thousand, four hundred twenty".