16443225020 has 24 divisors (see below), whose sum is σ = 34542337200. Its totient is φ = 6575087232.

The previous prime is 16443224999. The next prime is 16443225047. The reversal of 16443225020 is 2052234461.

It is a super-3 number, since 3×16443225020³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75785 + ... + 196544.

It is an arithmetic number, because the mean of its divisors is an integer number (1439264050).

Almost surely, 2^16443225020 is an apocalyptic number.

16443225020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16443225020 is an abundant number, since it is smaller than the sum of its proper divisors (18099112180).

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

16443225020 is a wasteful number, since it uses less digits than its factorization.

16443225020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275357 (or 275355 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 16443225020 its reverse (2052234461), we get a palindrome (18495459481).

The spelling of 16443225020 in words is "sixteen billion, four hundred forty-three million, two hundred twenty-five thousand, twenty".