21014322302 has 24 divisors (see below), whose sum is σ = 33781189536. Its totient is φ = 9801548288.

The previous prime is 21014322299. The next prime is 21014322379. The reversal of 21014322302 is 20322341012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95558 + ... + 226185.

It is an arithmetic number, because the mean of its divisors is an integer number (1407549564).

Almost surely, 2^21014322302 is an apocalyptic number.

21014322302 is a deficient number, since it is larger than the sum of its proper divisors (12766867234).

21014322302 is a wasteful number, since it uses less digits than its factorization.

21014322302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321892 (or 321875 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21014322302 its reverse (20322341012), we get a palindrome (41336663314).

The spelling of 21014322302 in words is "twenty-one billion, fourteen million, three hundred twenty-two thousand, three hundred two".