20140421324232 has 32 divisors (see below), whose sum is σ = 54928421794080. Its totient is φ = 6103157976960.

The previous prime is 20140421324209. The next prime is 20140421324237. The reversal of 20140421324232 is 23242312404102.

It is a super-2 number, since 2×20140421324232² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20140421324232.

It is not an unprimeable number, because it can be changed into a prime (20140421324237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38144737093 + ... + 38144737620.

It is an arithmetic number, because the mean of its divisors is an integer number (1716513181065).

Almost surely, 2^{20140421324232} is an apocalyptic number.

20140421324232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20140421324232 is an abundant number, since it is smaller than the sum of its proper divisors (34788000469848).

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

20140421324232 is a wasteful number, since it uses less digits than its factorization.

20140421324232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76289474733 (or 76289474729 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 20140421324232 its reverse (23242312404102), we get a palindrome (43382733728334).

The spelling of 20140421324232 in words is "twenty trillion, one hundred forty billion, four hundred twenty-one million, three hundred twenty-four thousand, two hundred thirty-two".