4231242020 has 24 divisors (see below), whose sum is σ = 8940128064. Its totient is φ = 1682112096.

The previous prime is 4231242019. The next prime is 4231242073. The reversal of 4231242020 is 202421324.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4231241983 and 4231242001.

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, 645704 + ... + 652223.

It is an arithmetic number, because the mean of its divisors is an integer number (372505336).

Almost surely, 2^4231242020 is an apocalyptic number.

It is an amenable number.

4231242020 is an abundant number, since it is smaller than the sum of its proper divisors (4708886044).

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

4231242020 is a wasteful number, since it uses less digits than its factorization.

4231242020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298099 (or 1298097 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4231242020 is about 65047.9978169966. The cubic root of 4231242020 is about 1617.4193046848.

Adding to 4231242020 its reverse (202421324), we get a palindrome (4433663344).

The spelling of 4231242020 in words is "four billion, two hundred thirty-one million, two hundred forty-two thousand, twenty".