1320020052205 has 8 divisors (see below), whose sum is σ = 1677201948792. Its totient is φ = 993897451008.

The previous prime is 1320020052151. The next prime is 1320020052223. The reversal of 1320020052205 is 5022500200231.

It can be written as a sum of positive squares in 4 ways, for example, as 139359609481 + 1180660442724 = 373309^2 + 1086582^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320020052205 - 2¹⁷ = 1320019921133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7764823752 + ... + 7764823921.

It is an arithmetic number, because the mean of its divisors is an integer number (209650243599).

Almost surely, 2^{1320020052205} is an apocalyptic number.

It is an amenable number.

1320020052205 is a deficient number, since it is larger than the sum of its proper divisors (357181896587).

1320020052205 is a wasteful number, since it uses less digits than its factorization.

1320020052205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15529647695.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 1320020052205 its reverse (5022500200231), we get a palindrome (6342520252436).

The spelling of 1320020052205 in words is "one trillion, three hundred twenty billion, twenty million, fifty-two thousand, two hundred five".