21233322032 has 40 divisors (see below), whose sum is σ = 45733322880. Its totient is φ = 9483863040.

The previous prime is 21233322017. The next prime is 21233322043. The reversal of 21233322032 is 23022333212.

It is a junction number, because it is equal to n+sod(n) for n = 21233321989 and 21233322007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640057 + ... + 1652952.

It is an arithmetic number, because the mean of its divisors is an integer number (1143333072).

Almost surely, 2^21233322032 is an apocalyptic number.

It is an amenable number.

21233322032 is an abundant number, since it is smaller than the sum of its proper divisors (24500000848).

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

21233322032 is a wasteful number, since it uses less digits than its factorization.

21233322032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293061 (or 3293055 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 21233322032 its reverse (23022333212), we get a palindrome (44255655244).

The spelling of 21233322032 in words is "twenty-one billion, two hundred thirty-three million, three hundred twenty-two thousand, thirty-two".