21032140014 has 24 divisors (see below), whose sum is σ = 45572930832. Its totient is φ = 7010206560.

The previous prime is 21032140013. The next prime is 21032140021. The reversal of 21032140014 is 41004123012.

21032140014 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032140013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280242 + ... + 347274.

It is an arithmetic number, because the mean of its divisors is an integer number (1898872118).

Almost surely, 2^21032140014 is an apocalyptic number.

21032140014 is an abundant number, since it is smaller than the sum of its proper divisors (24540790818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21032140014 is a wasteful number, since it uses less digits than its factorization.

21032140014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84472 (or 84469 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 21032140014 its reverse (41004123012), we get a palindrome (62036263026).

The spelling of 21032140014 in words is "twenty-one billion, thirty-two million, one hundred forty thousand, fourteen".