43020164220 has 96 divisors (see below), whose sum is σ = 132708312576. Its totient is φ = 10325856000.

The previous prime is 43020164219. The next prime is 43020164263. The reversal of 43020164220 is 2246102034.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256024 + ... + 389343.

It is an arithmetic number, because the mean of its divisors is an integer number (1382378256).

Almost surely, 2^43020164220 is an apocalyptic number.

It is an amenable number.

43020164220 is an abundant number, since it is smaller than the sum of its proper divisors (89688148356).

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

43020164220 is a wasteful number, since it uses less digits than its factorization.

43020164220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645491 (or 645489 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 43020164220 its reverse (2246102034), we get a palindrome (45266266254).

The spelling of 43020164220 in words is "forty-three billion, twenty million, one hundred sixty-four thousand, two hundred twenty".