43142020 has 24 divisors (see below), whose sum is σ = 94538304. Its totient is φ = 16506336.

The previous prime is 43142017. The next prime is 43142063. The reversal of 43142020 is 2024134.

It is a super-2 number, since 2×43142020² = 3722467779360800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43141985 and 43142003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46434 + ... + 47353.

It is an arithmetic number, because the mean of its divisors is an integer number (3939096).

Almost surely, 2^43142020 is an apocalyptic number.

It is an amenable number.

43142020 is an abundant number, since it is smaller than the sum of its proper divisors (51396284).

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

43142020 is a wasteful number, since it uses less digits than its factorization.

43142020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93819 (or 93817 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 43142020 is about 6568.2585210998. The cubic root of 43142020 is about 350.7250818718.

Adding to 43142020 its reverse (2024134), we get a palindrome (45166154).

The spelling of 43142020 in words is "forty-three million, one hundred forty-two thousand, twenty".