20010133201 has 4 divisors (see below), whose sum is σ = 20216423332. Its totient is φ = 19803843072.

The previous prime is 20010133183. The next prime is 20010133211. The reversal of 20010133201 is 10233101002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7430267601 + 12579865600 = 86199^2 + 112160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010133201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010133211) 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, 103144920 + ... + 103145113.

It is an arithmetic number, because the mean of its divisors is an integer number (5054105833).

Almost surely, 2^20010133201 is an apocalyptic number.

It is an amenable number.

20010133201 is a deficient number, since it is larger than the sum of its proper divisors (206290131).

20010133201 is an equidigital number, since it uses as much as digits as its factorization.

20010133201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206290130.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20010133201 its reverse (10233101002), we get a palindrome (30243234203).

The spelling of 20010133201 in words is "twenty billion, ten million, one hundred thirty-three thousand, two hundred one".