14401565220 has 192 divisors, whose sum is σ = 47662497792. Its totient is φ = 3182832000.

The previous prime is 14401565183. The next prime is 14401565221. The reversal of 14401565220 is 2256510441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (14401565221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12511645 + ... + 12512795.

It is an arithmetic number, because the mean of its divisors is an integer number (248242176).

Almost surely, 2^14401565220 is an apocalyptic number.

14401565220 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 14401565220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23831248896).

14401565220 is an abundant number, since it is smaller than the sum of its proper divisors (33260932572).

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

14401565220 is a wasteful number, since it uses less digits than its factorization.

14401565220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 14401565220 in words is "fourteen billion, four hundred one million, five hundred sixty-five thousand, two hundred twenty".