14231252420 has 192 divisors, whose sum is σ = 38112560640. Its totient is φ = 4335206400.

The previous prime is 14231252419. The next prime is 14231252443. The reversal of 14231252420 is 2425213241.

It is a self number, because there is not a number n which added to its sum of digits gives 14231252420.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18505796 + ... + 18506564.

It is an arithmetic number, because the mean of its divisors is an integer number (198502920).

Almost surely, 2^14231252420 is an apocalyptic number.

14231252420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14231252420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19056280320).

14231252420 is an abundant number, since it is smaller than the sum of its proper divisors (23881308220).

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

14231252420 is a wasteful number, since it uses less digits than its factorization.

14231252420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 14231252420 its reverse (2425213241), we get a palindrome (16656465661).

The spelling of 14231252420 in words is "fourteen billion, two hundred thirty-one million, two hundred fifty-two thousand, four hundred twenty".