1330820201 has 4 divisors (see below), whose sum is σ = 1361769552. Its totient is φ = 1299870852.

The previous prime is 1330820191. The next prime is 1330820213. The reversal of 1330820201 is 1020280331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1330820201 - 2²² = 1326625897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330820251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15474611 + ... + 15474696.

It is an arithmetic number, because the mean of its divisors is an integer number (340442388).

Almost surely, 2^1330820201 is an apocalyptic number.

It is an amenable number.

1330820201 is a deficient number, since it is larger than the sum of its proper divisors (30949351).

1330820201 is an equidigital number, since it uses as much as digits as its factorization.

1330820201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30949350.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1330820201 is about 36480.4084544019. The cubic root of 1330820201 is about 1099.9504663645.

The spelling of 1330820201 in words is "one billion, three hundred thirty million, eight hundred twenty thousand, two hundred one".