20000231133 has 8 divisors (see below), whose sum is σ = 26667900000. Its totient is φ = 13333024848.

The previous prime is 20000231123. The next prime is 20000231189. The reversal of 20000231133 is 33113200002.

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

It is not a de Polignac number, because 20000231133 - 2¹⁴ = 20000214749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000231113) 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, 2478 + ... + 200016.

It is an arithmetic number, because the mean of its divisors is an integer number (3333487500).

Almost surely, 2^20000231133 is an apocalyptic number.

It is an amenable number.

20000231133 is a deficient number, since it is larger than the sum of its proper divisors (6667668867).

20000231133 is a wasteful number, since it uses less digits than its factorization.

20000231133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231291.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20000231133 its reverse (33113200002), we get a palindrome (53113431135).

The spelling of 20000231133 in words is "twenty billion, two hundred thirty-one thousand, one hundred thirty-three".