1322020001 has 8 divisors (see below), whose sum is σ = 1328745600. Its totient is φ = 1315312240.

The previous prime is 1322019983. The next prime is 1322020003. The reversal of 1322020001 is 1000202231.

It is a happy number.

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 1322020001 - 2²² = 1317825697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322020003) 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, 158936 + ... + 167046.

It is an arithmetic number, because the mean of its divisors is an integer number (166093200).

Almost surely, 2^1322020001 is an apocalyptic number.

It is an amenable number.

1322020001 is a deficient number, since it is larger than the sum of its proper divisors (6725599).

1322020001 is an equidigital number, since it uses as much as digits as its factorization.

1322020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8919.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1322020001 is about 36359.5929707691. The cubic root of 1322020001 is about 1097.5205866455.

Adding to 1322020001 its reverse (1000202231), we get a palindrome (2322222232).

The spelling of 1322020001 in words is "one billion, three hundred twenty-two million, twenty thousand, one".