14545421220 has 48 divisors (see below), whose sum is σ = 44429652288. Its totient is φ = 3526162560.

The previous prime is 14545421203. The next prime is 14545421251. The reversal of 14545421220 is 2212454541.

14545421220 is digitally balanced in base 2, 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 (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11018599 + ... + 11019918.

It is an arithmetic number, because the mean of its divisors is an integer number (925617756).

Almost surely, 2^14545421220 is an apocalyptic number.

14545421220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14545421220 is an abundant number, since it is smaller than the sum of its proper divisors (29884231068).

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

14545421220 is a wasteful number, since it uses less digits than its factorization.

14545421220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22038540 (or 22038538 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 14545421220 its reverse (2212454541), we get a palindrome (16757875761).

The spelling of 14545421220 in words is "fourteen billion, five hundred forty-five million, four hundred twenty-one thousand, two hundred twenty".