20003132223 has 32 divisors (see below), whose sum is σ = 30938772480. Its totient is φ = 12748998240.

The previous prime is 20003132209. The next prime is 20003132251. The reversal of 20003132223 is 32223130002.

It is a happy number.

It is not a de Polignac number, because 20003132223 - 2⁶ = 20003132159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20003132196 and 20003132205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003132293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1371990 + ... + 1386492.

It is an arithmetic number, because the mean of its divisors is an integer number (966836640).

Almost surely, 2^20003132223 is an apocalyptic number.

20003132223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20003132223 is a deficient number, since it is larger than the sum of its proper divisors (10935640257).

20003132223 is a wasteful number, since it uses less digits than its factorization.

20003132223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16756 (or 16750 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20003132223 its reverse (32223130002), we get a palindrome (52226262225).

The spelling of 20003132223 in words is "twenty billion, three million, one hundred thirty-two thousand, two hundred twenty-three".