20133311201 has 4 divisors (see below), whose sum is σ = 20133757872. Its totient is φ = 20132864532.

The previous prime is 20133311197. The next prime is 20133311203. The reversal of 20133311201 is 10211333102.

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 20133311201 - 2² = 20133311197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20133311201.

It is not an unprimeable number, because it can be changed into a prime (20133311203) 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, 147035 + ... + 248768.

It is an arithmetic number, because the mean of its divisors is an integer number (5033439468).

Almost surely, 2^20133311201 is an apocalyptic number.

It is an amenable number.

20133311201 is a deficient number, since it is larger than the sum of its proper divisors (446671).

20133311201 is an equidigital number, since it uses as much as digits as its factorization.

20133311201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446670.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20133311201 its reverse (10211333102), we get a palindrome (30344644303).

The spelling of 20133311201 in words is "twenty billion, one hundred thirty-three million, three hundred eleven thousand, two hundred one".