20110320201 has 4 divisors (see below), whose sum is σ = 26813760272. Its totient is φ = 13406880132.

The previous prime is 20110320163. The next prime is 20110320239. The reversal of 20110320201 is 10202301102.

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 an interprime number because it is at equal distance from previous prime (20110320163) and next prime (20110320239).

It is not a de Polignac number, because 20110320201 - 2⁷ = 20110320073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110320701) 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, 3351720031 + ... + 3351720036.

It is an arithmetic number, because the mean of its divisors is an integer number (6703440068).

Almost surely, 2^20110320201 is an apocalyptic number.

It is an amenable number.

20110320201 is a deficient number, since it is larger than the sum of its proper divisors (6703440071).

20110320201 is an equidigital number, since it uses as much as digits as its factorization.

20110320201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6703440070.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20110320201 its reverse (10202301102), we get a palindrome (30312621303).

The spelling of 20110320201 in words is "twenty billion, one hundred ten million, three hundred twenty thousand, two hundred one".