20133101 has 8 divisors (see below), whose sum is σ = 20679360. Its totient is φ = 19593792.

The previous prime is 20133089. The next prime is 20133107. The reversal of 20133101 is 10133102.

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

It is a cyclic number.

It is not a de Polignac number, because 20133101 - 2¹⁴ = 20116717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133107) 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, 4421 + ... + 7733.

It is an arithmetic number, because the mean of its divisors is an integer number (2584920).

Almost surely, 2^20133101 is an apocalyptic number.

It is an amenable number.

20133101 is a deficient number, since it is larger than the sum of its proper divisors (546259).

20133101 is a wasteful number, since it uses less digits than its factorization.

20133101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 20133101 is about 4486.9924225476. The cubic root of 20133101 is about 272.0425836227.

Adding to 20133101 its reverse (10133102), we get a palindrome (30266203).

Subtracting from 20133101 its reverse (10133102), we obtain a palindrome (9999999).

The spelling of 20133101 in words is "twenty million, one hundred thirty-three thousand, one hundred one".