20112434133 has 8 divisors (see below), whose sum is σ = 29254449696. Its totient is φ = 12189354000.

The previous prime is 20112434101. The next prime is 20112434149. The reversal of 20112434133 is 33143421102.

It is a happy number.

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

It is not a de Polignac number, because 20112434133 - 2⁵ = 20112434101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112434033) 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, 304733818 + ... + 304733883.

It is an arithmetic number, because the mean of its divisors is an integer number (3656806212).

Almost surely, 2^20112434133 is an apocalyptic number.

It is an amenable number.

20112434133 is a deficient number, since it is larger than the sum of its proper divisors (9142015563).

20112434133 is a wasteful number, since it uses less digits than its factorization.

20112434133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609467715.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20112434133 its reverse (33143421102), we get a palindrome (53255855235).

The spelling of 20112434133 in words is "twenty billion, one hundred twelve million, four hundred thirty-four thousand, one hundred thirty-three".