21340200332 has 18 divisors (see below), whose sum is σ = 41049022644. Its totient is φ = 9700090840.

The previous prime is 21340200187. The next prime is 21340200367. The reversal of 21340200332 is 23300204312.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22045178 + ... + 22046145.

It is an arithmetic number, because the mean of its divisors is an integer number (2280501258).

Almost surely, 2^21340200332 is an apocalyptic number.

21340200332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21340200332 is a deficient number, since it is larger than the sum of its proper divisors (19708822312).

21340200332 is a wasteful number, since it uses less digits than its factorization.

21340200332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44091349 (or 44091336 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 21340200332 its reverse (23300204312), we get a palindrome (44640404644).

The spelling of 21340200332 in words is "twenty-one billion, three hundred forty million, two hundred thousand, three hundred thirty-two".