43013020 has 12 divisors (see below), whose sum is σ = 90327384. Its totient is φ = 17205200.

The previous prime is 43012973. The next prime is 43013041. The reversal of 43013020 is 2031034.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075306 + ... + 1075345.

It is an arithmetic number, because the mean of its divisors is an integer number (7527282).

Almost surely, 2^43013020 is an apocalyptic number.

It is an amenable number.

43013020 is an abundant number, since it is smaller than the sum of its proper divisors (47314364).

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

43013020 is a wasteful number, since it uses less digits than its factorization.

43013020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150660 (or 2150658 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 43013020 is about 6558.4312148562. The cubic root of 43013020 is about 350.3751623485.

Adding to 43013020 its reverse (2031034), we get a palindrome (45044054).

The spelling of 43013020 in words is "forty-three million, thirteen thousand, twenty".