20432045251133 has 4 divisors (see below), whose sum is σ = 20435067302748. Its totient is φ = 20429023199520.

The previous prime is 20432045251069. The next prime is 20432045251147. The reversal of 20432045251133 is 33115254023402.

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 17908833725689 + 2523211525444 = 4231883^2 + 1588462^2 .

It is a cyclic number.

It is not a de Polignac number, because 20432045251133 - 2⁶ = 20432045251069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20432045251093 and 20432045251102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432045251153) 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, 1511015666 + ... + 1511029187.

It is an arithmetic number, because the mean of its divisors is an integer number (5108766825687).

Almost surely, 2^{20432045251133} is an apocalyptic number.

It is an amenable number.

20432045251133 is a deficient number, since it is larger than the sum of its proper divisors (3022051615).

20432045251133 is an equidigital number, since it uses as much as digits as its factorization.

20432045251133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022051614.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 20432045251133 its reverse (33115254023402), we get a palindrome (53547299274535).

The spelling of 20432045251133 in words is "twenty trillion, four hundred thirty-two billion, forty-five million, two hundred fifty-one thousand, one hundred thirty-three".