4312020 has 24 divisors (see below), whose sum is σ = 12073824. Its totient is φ = 1149856.

The previous prime is 4312019. The next prime is 4312051. The reversal of 4312020 is 202134.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 4311987 and 4312005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35874 + ... + 35993.

It is an arithmetic number, because the mean of its divisors is an integer number (503076).

Almost surely, 2^4312020 is an apocalyptic number.

It is an amenable number.

4312020 is an abundant number, since it is smaller than the sum of its proper divisors (7761804).

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

4312020 is a wasteful number, since it uses less digits than its factorization.

4312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71879 (or 71877 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 4312020 is about 2076.5403920945. The cubic root of 4312020 is about 162.7647125333.

Adding to 4312020 its reverse (202134), we get a palindrome (4514154).

The spelling of 4312020 in words is "four million, three hundred twelve thousand, twenty".