1320464205634 has 16 divisors (see below), whose sum is σ = 2382792552000. Its totient is φ = 536128323984.

The previous prime is 1320464205587. The next prime is 1320464205637. The reversal of 1320464205634 is 4365024640231.

It is not an unprimeable number, because it can be changed into a prime (1320464205637) 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, 2482075309 + ... + 2482075840.

It is an arithmetic number, because the mean of its divisors is an integer number (148924534500).

Almost surely, 2^{1320464205634} is an apocalyptic number.

1320464205634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1320464205634 is a deficient number, since it is larger than the sum of its proper divisors (1062328346366).

1320464205634 is a wasteful number, since it uses less digits than its factorization.

1320464205634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964151177.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 1320464205634 its reverse (4365024640231), we get a palindrome (5685488845865).

The spelling of 1320464205634 in words is "one trillion, three hundred twenty billion, four hundred sixty-four million, two hundred five thousand, six hundred thirty-four".