20213213302033 has 4 divisors (see below), whose sum is σ = 20421596944420. Its totient is φ = 20004829659648.

The previous prime is 20213213302027. The next prime is 20213213302069. The reversal of 20213213302033 is 33020331231202.

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 15839062748224 + 4374150553809 = 3979832^2 + 2091447^2 .

It is a cyclic number.

It is not a de Polignac number, because 20213213302033 - 2²¹ = 20213211204881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20213213301989 and 20213213302007.

It is not an unprimeable number, because it can be changed into a prime (20213223302033) 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, 104191821048 + ... + 104191821241.

It is an arithmetic number, because the mean of its divisors is an integer number (5105399236105).

Almost surely, 2^{20213213302033} is an apocalyptic number.

It is an amenable number.

20213213302033 is a deficient number, since it is larger than the sum of its proper divisors (208383642387).

20213213302033 is an equidigital number, since it uses as much as digits as its factorization.

20213213302033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208383642386.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20213213302033 its reverse (33020331231202), we get a palindrome (53233544533235).

The spelling of 20213213302033 in words is "twenty trillion, two hundred thirteen billion, two hundred thirteen million, three hundred two thousand, thirty-three".