21340002420332 has 6 divisors (see below), whose sum is σ = 37345004235588. Its totient is φ = 10670001210164.

The previous prime is 21340002420307. The next prime is 21340002420349. The reversal of 21340002420332 is 23302420004312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2667500302538 + ... + 2667500302545.

It is an arithmetic number, because the mean of its divisors is an integer number (6224167372598).

Almost surely, 2^{21340002420332} is an apocalyptic number.

It is an amenable number.

21340002420332 is a deficient number, since it is larger than the sum of its proper divisors (16005001815256).

21340002420332 is a wasteful number, since it uses less digits than its factorization.

21340002420332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335000605087 (or 5335000605085 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 21340002420332 its reverse (23302420004312), we get a palindrome (44642422424644).

The spelling of 21340002420332 in words is "twenty-one trillion, three hundred forty billion, two million, four hundred twenty thousand, three hundred thirty-two".