20033325453433 has 4 divisors (see below), whose sum is σ = 20217117430180. Its totient is φ = 19849533476688.

The previous prime is 20033325453389. The next prime is 20033325453457. The reversal of 20033325453433 is 33435452333002.

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 16990488290304 + 3042837163129 = 4121952^2 + 1744373^2 .

It is a cyclic number.

It is not a de Polignac number, because 20033325453433 - 2¹³ = 20033325445241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033325457433) 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, 91895988210 + ... + 91895988427.

It is an arithmetic number, because the mean of its divisors is an integer number (5054279357545).

Almost surely, 2^{20033325453433} is an apocalyptic number.

It is an amenable number.

20033325453433 is a deficient number, since it is larger than the sum of its proper divisors (183791976747).

20033325453433 is a wasteful number, since it uses less digits than its factorization.

20033325453433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183791976746.

The product of its (nonzero) digits is 1166400, while the sum is 40.

Adding to 20033325453433 its reverse (33435452333002), we get a palindrome (53468777786435).

The spelling of 20033325453433 in words is "twenty trillion, thirty-three billion, three hundred twenty-five million, four hundred fifty-three thousand, four hundred thirty-three".