20332312201 has 8 divisors (see below), whose sum is σ = 20407479624. Its totient is φ = 20257184640.

The previous prime is 20332312181. The next prime is 20332312207. The reversal of 20332312201 is 10221323302.

It can be written as a sum of positive squares in 4 ways, for example, as 5055352201 + 15276960000 = 71101^2 + 123600^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20332312201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20332312207) 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, 1346445 + ... + 1361461.

It is an arithmetic number, because the mean of its divisors is an integer number (2550934953).

Almost surely, 2^20332312201 is an apocalyptic number.

It is an amenable number.

20332312201 is a deficient number, since it is larger than the sum of its proper divisors (75167423).

20332312201 is a wasteful number, since it uses less digits than its factorization.

20332312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19931.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20332312201 its reverse (10221323302), we get a palindrome (30553635503).

The spelling of 20332312201 in words is "twenty billion, three hundred thirty-two million, three hundred twelve thousand, two hundred one".