21022033332 has 48 divisors (see below), whose sum is σ = 51947324352. Its totient is φ = 6593809920.

The previous prime is 21022033303. The next prime is 21022033337. The reversal of 21022033332 is 23333022012.

It is a junction number, because it is equal to n+sod(n) for n = 21022033299 and 21022033308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022033337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1617982 + ... + 1630922.

It is an arithmetic number, because the mean of its divisors is an integer number (1082235924).

Almost surely, 2^21022033332 is an apocalyptic number.

It is an amenable number.

21022033332 is an abundant number, since it is smaller than the sum of its proper divisors (30925291020).

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

21022033332 is a wasteful number, since it uses less digits than its factorization.

21022033332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20928 (or 20926 counting only the distinct ones).

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

Adding to 21022033332 its reverse (23333022012), we get a palindrome (44355055344).

The spelling of 21022033332 in words is "twenty-one billion, twenty-two million, thirty-three thousand, three hundred thirty-two".