20203321332 has 24 divisors (see below), whose sum is σ = 47145351456. Its totient is φ = 6733830688.

The previous prime is 20203321301. The next prime is 20203321361. The reversal of 20203321332 is 23312330202.

It is a junction number, because it is equal to n+sod(n) for n = 20203321299 and 20203321308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73618 + ... + 214070.

It is an arithmetic number, because the mean of its divisors is an integer number (1964389644).

Almost surely, 2^20203321332 is an apocalyptic number.

It is an amenable number.

20203321332 is an abundant number, since it is smaller than the sum of its proper divisors (26942030124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20203321332 is a wasteful number, since it uses less digits than its factorization.

20203321332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152447 (or 152445 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20203321332 its reverse (23312330202), we get a palindrome (43515651534).

The spelling of 20203321332 in words is "twenty billion, two hundred three million, three hundred twenty-one thousand, three hundred thirty-two".