20030221021333 has 4 divisors (see below), whose sum is σ = 20030469717600. Its totient is φ = 20029972325068.

The previous prime is 20030221021331. The next prime is 20030221021339. The reversal of 20030221021333 is 33312012203002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20030221021333 - 2¹ = 20030221021331 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 (20030221021331) 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, 124227283 + ... + 124388416.

It is an arithmetic number, because the mean of its divisors is an integer number (5007617429400).

Almost surely, 2^{20030221021333} is an apocalyptic number.

It is an amenable number.

20030221021333 is a deficient number, since it is larger than the sum of its proper divisors (248696267).

20030221021333 is an equidigital number, since it uses as much as digits as its factorization.

20030221021333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248696266.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20030221021333 its reverse (33312012203002), we get a palindrome (53342233224335).

The spelling of 20030221021333 in words is "twenty trillion, thirty billion, two hundred twenty-one million, twenty-one thousand, three hundred thirty-three".