43122440020 has 24 divisors (see below), whose sum is σ = 98789590368. Its totient is φ = 15680887200.

The previous prime is 43122440017. The next prime is 43122440047. The reversal of 43122440020 is 2004422134.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 43122439973 and 43122440000.

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, 98005326 + ... + 98005765.

It is an arithmetic number, because the mean of its divisors is an integer number (4116232932).

Almost surely, 2^43122440020 is an apocalyptic number.

It is an amenable number.

43122440020 is an abundant number, since it is smaller than the sum of its proper divisors (55667150348).

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

43122440020 is a wasteful number, since it uses less digits than its factorization.

43122440020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196011111 (or 196011109 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 43122440020 its reverse (2004422134), we get a palindrome (45126862154).

The spelling of 43122440020 in words is "forty-three billion, one hundred twenty-two million, four hundred forty thousand, twenty".