2006502020 has 24 divisors (see below), whose sum is σ = 4214498904. Its totient is φ = 802439936.

The previous prime is 2006502013. The next prime is 2006502053. The reversal of 2006502020 is 202056002.

It can be written as a sum of positive squares in 4 ways, for example, as 172607044 + 1833894976 = 13138^2 + 42824^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2006502020.

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, 177992 + ... + 188928.

It is an arithmetic number, because the mean of its divisors is an integer number (175604121).

Almost surely, 2^2006502020 is an apocalyptic number.

2006502020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2006502020 is an abundant number, since it is smaller than the sum of its proper divisors (2207996884).

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

2006502020 is a wasteful number, since it uses less digits than its factorization.

2006502020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20119 (or 20117 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2006502020 is about 44793.9953565207. The cubic root of 2006502020 is about 1261.2849116290.

Adding to 2006502020 its reverse (202056002), we get a palindrome (2208558022).

The spelling of 2006502020 in words is "two billion, six million, five hundred two thousand, twenty".