2006620220 has 48 divisors (see below), whose sum is σ = 4640001408. Its totient is φ = 722852160.

The previous prime is 2006620207. The next prime is 2006620249. The reversal of 2006620220 is 220266002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2006620192 and 2006620201.

It is a congruent number.

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, 19082 + ... + 66161.

It is an arithmetic number, because the mean of its divisors is an integer number (96666696).

Almost surely, 2^2006620220 is an apocalyptic number.

2006620220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2006620220 is an abundant number, since it is smaller than the sum of its proper divisors (2633381188).

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

2006620220 is a wasteful number, since it uses less digits than its factorization.

2006620220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85370 (or 85368 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2006620220 is about 44795.3147103578. The cubic root of 2006620220 is about 1261.3096779383.

Adding to 2006620220 its reverse (220266002), we get a palindrome (2226886222).

It can be divided in two parts, 2006 and 620220, that added together give a palindrome (622226).

The spelling of 2006620220 in words is "two billion, six million, six hundred twenty thousand, two hundred twenty".