1302130200020 has 96 divisors (see below), whose sum is σ = 3103842460320. Its totient is φ = 455448913920.

The previous prime is 1302130200013. The next prime is 1302130200053. The reversal of 1302130200020 is 200020312031.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 403270721296 + 898859478724 = 635036^2 + 948082^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1302130199968 and 1302130200004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1229591 + ... + 2028830.

It is an arithmetic number, because the mean of its divisors is an integer number (32331692295).

Almost surely, 2^{1302130200020} is an apocalyptic number.

1302130200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302130200020 is an abundant number, since it is smaller than the sum of its proper divisors (1801712260300).

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

1302130200020 is a wasteful number, since it uses less digits than its factorization.

1302130200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258525 (or 3258523 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1302130200020 its reverse (200020312031), we get a palindrome (1502150512051).

The spelling of 1302130200020 in words is "one trillion, three hundred two billion, one hundred thirty million, two hundred thousand, twenty".