4081632020 has 12 divisors (see below), whose sum is σ = 8571427284. Its totient is φ = 1632652800.

The previous prime is 4081632011. The next prime is 4081632029. The reversal of 4081632020 is 202361804.

It is an interprime number because it is at equal distance from previous prime (4081632011) and next prime (4081632029).

It can be written as a sum of positive squares in 2 ways, for example, as 1214243716 + 2867388304 = 34846^2 + 53548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081632029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102040781 + ... + 102040820.

It is an arithmetic number, because the mean of its divisors is an integer number (714285607).

Almost surely, 2^4081632020 is an apocalyptic number.

It is an amenable number.

4081632020 is an abundant number, since it is smaller than the sum of its proper divisors (4489795264).

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

4081632020 is a wasteful number, since it uses less digits than its factorization.

4081632020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204081610 (or 204081608 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4081632020 is about 63887.6515455060. The cubic root of 4081632020 is about 1598.1269774931.

Adding to 4081632020 its reverse (202361804), we get a palindrome (4283993824).

The spelling of 4081632020 in words is "four billion, eighty-one million, six hundred thirty-two thousand, twenty".