14256420220 has 48 divisors (see below), whose sum is σ = 34228329408. Its totient is φ = 4886069760.

The previous prime is 14256420193. The next prime is 14256420259. The reversal of 14256420220 is 2202465241.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382744 + ... + 418336.

It is an arithmetic number, because the mean of its divisors is an integer number (713090196).

Almost surely, 2^14256420220 is an apocalyptic number.

14256420220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14256420220 is an abundant number, since it is smaller than the sum of its proper divisors (19971909188).

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

14256420220 is a wasteful number, since it uses less digits than its factorization.

14256420220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38470 (or 38468 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 14256420220 its reverse (2202465241), we get a palindrome (16458885461).

The spelling of 14256420220 in words is "fourteen billion, two hundred fifty-six million, four hundred twenty thousand, two hundred twenty".