20321310201 has 8 divisors (see below), whose sum is σ = 27096006144. Its totient is φ = 13547077200.

The previous prime is 20321310173. The next prime is 20321310319. The reversal of 20321310201 is 10201312302.

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

It is not a de Polignac number, because 20321310201 - 2⁵ = 20321310169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20321310001) 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, 4551 + ... + 201651.

It is an arithmetic number, because the mean of its divisors is an integer number (3387000768).

Almost surely, 2^20321310201 is an apocalyptic number.

It is an amenable number.

20321310201 is a deficient number, since it is larger than the sum of its proper divisors (6774695943).

20321310201 is a wasteful number, since it uses less digits than its factorization.

20321310201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231471.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20321310201 its reverse (10201312302), we get a palindrome (30522622503).

The spelling of 20321310201 in words is "twenty billion, three hundred twenty-one million, three hundred ten thousand, two hundred one".