8020020 has 48 divisors (see below), whose sum is σ = 22579200. Its totient is φ = 2126976.

The previous prime is 8020007. The next prime is 8020027. The reversal of 8020020 is 200208.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 8019978 and 8020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8020027) 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, 20749 + ... + 21131.

It is an arithmetic number, because the mean of its divisors is an integer number (470400).

Almost surely, 2^8020020 is an apocalyptic number.

It is an amenable number.

8020020 is an abundant number, since it is smaller than the sum of its proper divisors (14559180).

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

8020020 is a wasteful number, since it uses less digits than its factorization.

8020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 8020020 is about 2831.9639828218. The cubic root of 8020020 is about 200.1666943597.

Adding to 8020020 its reverse (200208), we get a palindrome (8220228).

It can be divided in two parts, 80 and 20020, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 8020020 in words is "eight million, twenty thousand, twenty".