4031020422 has 96 divisors (see below), whose sum is σ = 10429394976. Its totient is φ = 1109030400.

The previous prime is 4031020403. The next prime is 4031020439. The reversal of 4031020422 is 2240201304.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4031020395 and 4031020404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144178 + ... + 169850.

It is an arithmetic number, because the mean of its divisors is an integer number (108639531).

Almost surely, 2^4031020422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4031020422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5214697488).

4031020422 is an abundant number, since it is smaller than the sum of its proper divisors (6398374554).

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

4031020422 is a wasteful number, since it uses less digits than its factorization.

4031020422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25766 (or 25763 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4031020422 is about 63490.3175452761. The cubic root of 4031020422 is about 1591.4939773185.

Adding to 4031020422 its reverse (2240201304), we get a palindrome (6271221726).

The spelling of 4031020422 in words is "four billion, thirty-one million, twenty thousand, four hundred twenty-two".