43206140020 has 12 divisors (see below), whose sum is σ = 90732894084. Its totient is φ = 17282456000.

The previous prime is 43206139939. The next prime is 43206140041. The reversal of 43206140020 is 2004160234.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12859106404 + 30347033616 = 113398^2 + 174204^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43206139973 and 43206140000.

It is a congruent number.

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, 1080153481 + ... + 1080153520.

It is an arithmetic number, because the mean of its divisors is an integer number (7561074507).

Almost surely, 2^43206140020 is an apocalyptic number.

It is an amenable number.

43206140020 is an abundant number, since it is smaller than the sum of its proper divisors (47526754064).

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

43206140020 is a wasteful number, since it uses less digits than its factorization.

43206140020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160307010 (or 2160307008 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The spelling of 43206140020 in words is "forty-three billion, two hundred six million, one hundred forty thousand, twenty".