4131032020 has 24 divisors (see below), whose sum is σ = 8974312200. Its totient is φ = 1595432832.

The previous prime is 4131031999. The next prime is 4131032029. The reversal of 4131032020 is 202301314.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4511376 + 4126520644 = 2124^2 + 64238^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4131031985 and 4131032003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4131032029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3560655 + ... + 3561814.

It is an arithmetic number, because the mean of its divisors is an integer number (373929675).

Almost surely, 2^4131032020 is an apocalyptic number.

It is an amenable number.

4131032020 is an abundant number, since it is smaller than the sum of its proper divisors (4843280180).

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

4131032020 is a wasteful number, since it uses less digits than its factorization.

4131032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7122507 (or 7122505 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 4131032020 is about 64273.1049506712. The cubic root of 4131032020 is about 1604.5485180491.

Adding to 4131032020 its reverse (202301314), we get a palindrome (4333333334).

The spelling of 4131032020 in words is "four billion, one hundred thirty-one million, thirty-two thousand, twenty".