20204063533 has 4 divisors (see below), whose sum is σ = 20404103868. Its totient is φ = 20004023200.

The previous prime is 20204063521. The next prime is 20204063587. The reversal of 20204063533 is 33536040202.

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 13413809124 + 6790254409 = 115818^2 + 82403^2 .

It is a cyclic number.

It is not a de Polignac number, because 20204063533 - 2⁵ = 20204063501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204063833) 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, 100020016 + ... + 100020217.

It is an arithmetic number, because the mean of its divisors is an integer number (5101025967).

Almost surely, 2^20204063533 is an apocalyptic number.

It is an amenable number.

20204063533 is a deficient number, since it is larger than the sum of its proper divisors (200040335).

20204063533 is a wasteful number, since it uses less digits than its factorization.

20204063533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200040334.

The product of its (nonzero) digits is 12960, while the sum is 28.

The spelling of 20204063533 in words is "twenty billion, two hundred four million, sixty-three thousand, five hundred thirty-three".