21320044130014 has 64 divisors (see below), whose sum is σ = 38888642681856. Its totient is φ = 8557515062784.

The previous prime is 21320044129987. The next prime is 21320044130057. The reversal of 21320044130014 is 41003144002312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56584992 + ... + 56960524.

It is an arithmetic number, because the mean of its divisors is an integer number (607635041904).

Almost surely, 2^{21320044130014} is an apocalyptic number.

21320044130014 is a deficient number, since it is larger than the sum of its proper divisors (17568598551842).

21320044130014 is a wasteful number, since it uses less digits than its factorization.

21320044130014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376729.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21320044130014 its reverse (41003144002312), we get a palindrome (62323188132326).

The spelling of 21320044130014 in words is "twenty-one trillion, three hundred twenty billion, forty-four million, one hundred thirty thousand, fourteen".