43135125220 has 24 divisors (see below), whose sum is σ = 98818651008. Its totient is φ = 15685500000.

The previous prime is 43135125107. The next prime is 43135125227. The reversal of 43135125220 is 2252153134.

It is not an unprimeable number, because it can be changed into a prime (43135125227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98034156 + ... + 98034595.

It is an arithmetic number, because the mean of its divisors is an integer number (4117443792).

Almost surely, 2^43135125220 is an apocalyptic number.

It is an amenable number.

43135125220 is an abundant number, since it is smaller than the sum of its proper divisors (55683525788).

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

43135125220 is a wasteful number, since it uses less digits than its factorization.

43135125220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196068771 (or 196068769 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 43135125220 its reverse (2252153134), we get a palindrome (45387278354).

The spelling of 43135125220 in words is "forty-three billion, one hundred thirty-five million, one hundred twenty-five thousand, two hundred twenty".