14220511720 has 16 divisors (see below), whose sum is σ = 31996151460. Its totient is φ = 5688204672.

The previous prime is 14220511663. The next prime is 14220511729. The reversal of 14220511720 is 2711502241.

It can be written as a sum of positive squares in 2 ways, for example, as 13890508164 + 330003556 = 117858^2 + 18166^2 .

It is not an unprimeable number, because it can be changed into a prime (14220511729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177756357 + ... + 177756436.

Almost surely, 2^14220511720 is an apocalyptic number.

14220511720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14220511720 is an abundant number, since it is smaller than the sum of its proper divisors (17775639740).

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

14220511720 is a wasteful number, since it uses less digits than its factorization.

14220511720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355512804 (or 355512800 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The spelling of 14220511720 in words is "fourteen billion, two hundred twenty million, five hundred eleven thousand, seven hundred twenty".