4031722020 has 48 divisors (see below), whose sum is σ = 11593931328. Its totient is φ = 1046067840.

The previous prime is 4031722001. The next prime is 4031722021. The reversal of 4031722020 is 202271304.

It is not an unprimeable number, because it can be changed into a prime (4031722021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 905826 + ... + 910265.

It is an arithmetic number, because the mean of its divisors is an integer number (241540236).

Almost surely, 2^4031722020 is an apocalyptic number.

It is an amenable number.

4031722020 is an abundant number, since it is smaller than the sum of its proper divisors (7562209308).

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

4031722020 is a wasteful number, since it uses less digits than its factorization.

4031722020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816140 (or 1816138 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 4031722020 is about 63495.8425410672. The cubic root of 4031722020 is about 1591.5863049925.

Adding to 4031722020 its reverse (202271304), we get a palindrome (4233993324).

The spelling of 4031722020 in words is "four billion, thirty-one million, seven hundred twenty-two thousand, twenty".