4271642020 has 48 divisors (see below), whose sum is σ = 9561138048. Its totient is φ = 1597478400.

The previous prime is 4271641999. The next prime is 4271642051. The reversal of 4271642020 is 202461724.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4271642020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9739 + ... + 92941.

It is an arithmetic number, because the mean of its divisors is an integer number (199190376).

Almost surely, 2^4271642020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4271642020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4780569024).

4271642020 is an abundant number, since it is smaller than the sum of its proper divisors (5289496028).

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

4271642020 is a wasteful number, since it uses less digits than its factorization.

4271642020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83380 (or 83378 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 4271642020 is about 65357.7999935738. The cubic root of 4271642020 is about 1622.5507269261.

The spelling of 4271642020 in words is "four billion, two hundred seventy-one million, six hundred forty-two thousand, twenty".