20133213321 has 8 divisors (see below), whose sum is σ = 28909229440. Its totient is φ = 12389669712.

The previous prime is 20133213319. The next prime is 20133213329. The reversal of 20133213321 is 12331233102.

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

It is not a de Polignac number, because 20133213321 - 2¹ = 20133213319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20133213329) 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, 258118081 + ... + 258118158.

It is an arithmetic number, because the mean of its divisors is an integer number (3613653680).

Almost surely, 2^20133213321 is an apocalyptic number.

It is an amenable number.

20133213321 is a deficient number, since it is larger than the sum of its proper divisors (8776016119).

20133213321 is a wasteful number, since it uses less digits than its factorization.

20133213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516236255.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20133213321 its reverse (12331233102), we get a palindrome (32464446423).

The spelling of 20133213321 in words is "twenty billion, one hundred thirty-three million, two hundred thirteen thousand, three hundred twenty-one".