14201251220 has 48 divisors (see below), whose sum is σ = 32149099920. Its totient is φ = 5238245376.

The previous prime is 14201251213. The next prime is 14201251231. The reversal of 14201251220 is 2215210241.

It can be written as a sum of positive squares in 8 ways, for example, as 6497327236 + 7703923984 = 80606^2 + 87772^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14201251192 and 14201251201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235274 + ... + 289406.

It is an arithmetic number, because the mean of its divisors is an integer number (669772915).

Almost surely, 2^14201251220 is an apocalyptic number.

14201251220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14201251220 is an abundant number, since it is smaller than the sum of its proper divisors (17947848700).

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

14201251220 is a wasteful number, since it uses less digits than its factorization.

14201251220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55164 (or 55162 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 14201251220 its reverse (2215210241), we get a palindrome (16416461461).

The spelling of 14201251220 in words is "fourteen billion, two hundred one million, two hundred fifty-one thousand, two hundred twenty".