43122030420 has 48 divisors (see below), whose sum is σ = 137990498688. Its totient is φ = 9856464000.

The previous prime is 43122030373. The next prime is 43122030421. The reversal of 43122030420 is 2403022134.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43122030421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51335331 + ... + 51336170.

It is an arithmetic number, because the mean of its divisors is an integer number (2874802056).

Almost surely, 2^43122030420 is an apocalyptic number.

It is an amenable number.

43122030420 is an abundant number, since it is smaller than the sum of its proper divisors (94868468268).

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

43122030420 is a wasteful number, since it uses less digits than its factorization.

43122030420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102671520 (or 102671518 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 43122030420 its reverse (2403022134), we get a palindrome (45525052554).

The spelling of 43122030420 in words is "forty-three billion, one hundred twenty-two million, thirty thousand, four hundred twenty".