43402022120 has 64 divisors (see below), whose sum is σ = 101982240000. Its totient is φ = 16592654848.

The previous prime is 43402022077. The next prime is 43402022171. The reversal of 43402022120 is 2122020434.

43402022120 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 43402022092 and 43402022101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1167581 + ... + 1204179.

It is an arithmetic number, because the mean of its divisors is an integer number (1593472500).

Almost surely, 2^43402022120 is an apocalyptic number.

43402022120 is a gapful number since it is divisible by the number (40) 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 43402022120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50991120000).

43402022120 is an abundant number, since it is smaller than the sum of its proper divisors (58580217880).

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

43402022120 is a wasteful number, since it uses less digits than its factorization.

43402022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37922 (or 37918 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 43402022120 its reverse (2122020434), we get a palindrome (45524042554).

The spelling of 43402022120 in words is "forty-three billion, four hundred two million, twenty-two thousand, one hundred twenty".