8272020 has 24 divisors (see below), whose sum is σ = 23161824. Its totient is φ = 2205856.

The previous prime is 8271983. The next prime is 8272057. The reversal of 8272020 is 202728.

8272020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8271983) and next prime (8272057).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68874 + ... + 68993.

It is an arithmetic number, because the mean of its divisors is an integer number (965076).

Almost surely, 2^8272020 is an apocalyptic number.

It is an amenable number.

8272020 is an abundant number, since it is smaller than the sum of its proper divisors (14889804).

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

8272020 is a wasteful number, since it uses less digits than its factorization.

8272020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137879 (or 137877 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 8272020 is about 2876.1119588778. Note that the first 3 decimals coincide. The cubic root of 8272020 is about 202.2416152735.

Adding to 8272020 its reverse (202728), we get a palindrome (8474748).

The spelling of 8272020 in words is "eight million, two hundred seventy-two thousand, twenty".