1305320520102 has 16 divisors (see below), whose sum is σ = 2764208160432. Its totient is φ = 409512320000.

The previous prime is 1305320520089. The next prime is 1305320520107. The reversal of 1305320520102 is 2010250235031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305320520107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6398629899 + ... + 6398630102.

It is an arithmetic number, because the mean of its divisors is an integer number (172763010027).

Almost surely, 2^{1305320520102} is an apocalyptic number.

1305320520102 is an abundant number, since it is smaller than the sum of its proper divisors (1458887640330).

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

1305320520102 is a wasteful number, since it uses less digits than its factorization.

1305320520102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12797260023.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 1305320520102 its reverse (2010250235031), we get a palindrome (3315570755133).

The spelling of 1305320520102 in words is "one trillion, three hundred five billion, three hundred twenty million, five hundred twenty thousand, one hundred two".