43112202020 has 12 divisors (see below), whose sum is σ = 90535624284. Its totient is φ = 17244880800.

The previous prime is 43112202019. The next prime is 43112202047. The reversal of 43112202020 is 2020221134.

It can be written as a sum of positive squares in 2 ways, for example, as 34059440704 + 9052761316 = 184552^2 + 95146^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43112202020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077805031 + ... + 1077805070.

It is an arithmetic number, because the mean of its divisors is an integer number (7544635357).

Almost surely, 2^43112202020 is an apocalyptic number.

It is an amenable number.

43112202020 is an abundant number, since it is smaller than the sum of its proper divisors (47423422264).

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

43112202020 is a wasteful number, since it uses less digits than its factorization.

43112202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155610110 (or 2155610108 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 43112202020 its reverse (2020221134), we get a palindrome (45132423154).

The spelling of 43112202020 in words is "forty-three billion, one hundred twelve million, two hundred two thousand, twenty".