21201303332 has 24 divisors (see below), whose sum is σ = 40563052992. Its totient is φ = 9616042400.

The previous prime is 21201303283. The next prime is 21201303359. The reversal of 21201303332 is 23330310212.

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, 502328 + ... + 542895.

It is an arithmetic number, because the mean of its divisors is an integer number (1690127208).

Almost surely, 2^21201303332 is an apocalyptic number.

21201303332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21201303332 is a deficient number, since it is larger than the sum of its proper divisors (19361749660).

21201303332 is a wasteful number, since it uses less digits than its factorization.

21201303332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045699 (or 1045697 counting only the distinct ones).

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

Adding to 21201303332 its reverse (23330310212), we get a palindrome (44531613544).

The spelling of 21201303332 in words is "twenty-one billion, two hundred one million, three hundred three thousand, three hundred thirty-two".