20332223203 has 4 divisors (see below), whose sum is σ = 20828131128. Its totient is φ = 19836315280.

The previous prime is 20332223183. The next prime is 20332223257. The reversal of 20332223203 is 30232223302.

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 20332223203 - 2¹³ = 20332215011 is a prime.

It is a super-2 number, since 2×20332223203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20332223003) 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, 247953901 + ... + 247953982.

It is an arithmetic number, because the mean of its divisors is an integer number (5207032782).

Almost surely, 2^20332223203 is an apocalyptic number.

20332223203 is a deficient number, since it is larger than the sum of its proper divisors (495907925).

20332223203 is an equidigital number, since it uses as much as digits as its factorization.

20332223203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495907924.

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 20332223203 its reverse (30232223302), we get a palindrome (50564446505).

Subtracting 20332223203 from its reverse (30232223302), we obtain a palindrome (9900000099).

The spelling of 20332223203 in words is "twenty billion, three hundred thirty-two million, two hundred twenty-three thousand, two hundred three".