43020042100 has 36 divisors (see below), whose sum is σ = 106689706144. Its totient is φ = 14749728480.

The previous prime is 43020042097. The next prime is 43020042113. The reversal of 43020042100 is 124002034.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30727902 + ... + 30729301.

Almost surely, 2^43020042100 is an apocalyptic number.

It is an amenable number.

43020042100 is an abundant number, since it is smaller than the sum of its proper divisors (63669664044).

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

43020042100 is a wasteful number, since it uses less digits than its factorization.

43020042100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61457224 (or 61457217 counting only the distinct ones).

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

Adding to 43020042100 its reverse (124002034), we get a palindrome (43144044134).

The spelling of 43020042100 in words is "forty-three billion, twenty million, forty-two thousand, one hundred".