43100220020 has 96 divisors (see below), whose sum is σ = 112589035776. Its totient is φ = 13616179200.

The previous prime is 43100220019. The next prime is 43100220041. The reversal of 43100220020 is 2002200134.

It is a junction number, because it is equal to n+sod(n) for n = 43100219977 and 43100220004.

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, 394616 + ... + 491855.

It is an arithmetic number, because the mean of its divisors is an integer number (1172802456).

Almost surely, 2^43100220020 is an apocalyptic number.

It is an amenable number.

43100220020 is an abundant number, since it is smaller than the sum of its proper divisors (69488815756).

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

43100220020 is a wasteful number, since it uses less digits than its factorization.

43100220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886521 (or 886519 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 43100220020 its reverse (2002200134), we get a palindrome (45102420154).

The spelling of 43100220020 in words is "forty-three billion, one hundred million, two hundred twenty thousand, twenty".