20333320223 has 4 divisors (see below), whose sum is σ = 21217377648. Its totient is φ = 19449262800.

The previous prime is 20333320213. The next prime is 20333320229. The reversal of 20333320223 is 32202333302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20333320223 - 2⁴ = 20333320207 is a prime.

It is a super-2 number, since 2×20333320223² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 884057401 = 20333320223 / (2 + 0 + 3 + 3 + 3 + 3 + 2 + 0 + 2 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333320229) 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, 442028678 + ... + 442028723.

It is an arithmetic number, because the mean of its divisors is an integer number (5304344412).

Almost surely, 2^20333320223 is an apocalyptic number.

20333320223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20333320223 is a deficient number, since it is larger than the sum of its proper divisors (884057425).

20333320223 is an equidigital number, since it uses as much as digits as its factorization.

20333320223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884057424.

The product of its (nonzero) digits is 3888, while the sum is 23.

Adding to 20333320223 its reverse (32202333302), we get a palindrome (52535653525).

The spelling of 20333320223 in words is "twenty billion, three hundred thirty-three million, three hundred twenty thousand, two hundred twenty-three".