21200333132 has 24 divisors (see below), whose sum is σ = 40498777872. Its totient is φ = 9630464000.

The previous prime is 21200333117. The next prime is 21200333137. The reversal of 21200333132 is 23133300212.

It is not an unprimeable number, because it can be changed into a prime (21200333137) by changing a digit.

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, 80033 + ... + 220920.

It is an arithmetic number, because the mean of its divisors is an integer number (1687449078).

Almost surely, 2^21200333132 is an apocalyptic number.

21200333132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21200333132 is a deficient number, since it is larger than the sum of its proper divisors (19298444740).

21200333132 is a wasteful number, since it uses less digits than its factorization.

21200333132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302569 (or 302567 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21200333132 its reverse (23133300212), we get a palindrome (44333633344).

The spelling of 21200333132 in words is "twenty-one billion, two hundred million, three hundred thirty-three thousand, one hundred thirty-two".