3543112020 has 96 divisors (see below), whose sum is σ = 11934720000. Its totient is φ = 767228544.

The previous prime is 3543112009. The next prime is 3543112031. The reversal of 3543112020 is 202113453.

It is an interprime number because it is at equal distance from previous prime (3543112009) and next prime (3543112031).

It is a Harshad number since it is a multiple of its sum of digits (21).

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 31 ways as a sum of consecutive naturals, for example, 214020 + ... + 229979.

It is an arithmetic number, because the mean of its divisors is an integer number (124320000).

Almost surely, 2^3543112020 is an apocalyptic number.

3543112020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3543112020 is an abundant number, since it is smaller than the sum of its proper divisors (8391607980).

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

3543112020 is a wasteful number, since it uses less digits than its factorization.

3543112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444037 (or 444035 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3543112020 is about 59524.0457294361. The cubic root of 3543112020 is about 1524.5030390015.

Adding to 3543112020 its reverse (202113453), we get a palindrome (3745225473).

The spelling of 3543112020 in words is "three billion, five hundred forty-three million, one hundred twelve thousand, twenty".