20133240201 has 20 divisors (see below), whose sum is σ = 30083536912. Its totient is φ = 13418609688.

The previous prime is 20133240167. The next prime is 20133240217. The reversal of 20133240201 is 10204233102.

It is not a de Polignac number, because 20133240201 - 2¹⁸ = 20132978057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20133242201) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 295326 + ... + 357048.

Almost surely, 2^20133240201 is an apocalyptic number.

It is an amenable number.

20133240201 is a deficient number, since it is larger than the sum of its proper divisors (9950296711).

20133240201 is an equidigital number, since it uses as much as digits as its factorization.

20133240201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65762 (or 65753 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20133240201 its reverse (10204233102), we get a palindrome (30337473303).

The spelling of 20133240201 in words is "twenty billion, one hundred thirty-three million, two hundred forty thousand, two hundred one".