21032332000 has 192 divisors, whose sum is σ = 55996484544. Its totient is φ = 7732838400.

The previous prime is 21032331973. The next prime is 21032332003. The reversal of 21032332000 is 23323012.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032332003) 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, 2920404 + ... + 2927596.

It is an arithmetic number, because the mean of its divisors is an integer number (291648357).

Almost surely, 2^21032332000 is an apocalyptic number.

21032332000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21032332000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27998242272).

21032332000 is an abundant number, since it is smaller than the sum of its proper divisors (34964152544).

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

21032332000 is a wasteful number, since it uses less digits than its factorization.

21032332000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7278 (or 7260 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 21032332000 its reverse (23323012), we get a palindrome (21055655012).

The spelling of 21032332000 in words is "twenty-one billion, thirty-two million, three hundred thirty-two thousand".