2006420620 has 24 divisors (see below), whose sum is σ = 4235551488. Its totient is φ = 798364800.

The previous prime is 2006420599. The next prime is 2006420621. The reversal of 2006420620 is 260246002.

It is a happy number.

It is a super-2 number, since 2×2006420620² = 8051447408722368800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2006420591 and 2006420600.

It is not an unprimeable number, because it can be changed into a prime (2006420621) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 258801 + ... + 266440.

It is an arithmetic number, because the mean of its divisors is an integer number (176481312).

Almost surely, 2^2006420620 is an apocalyptic number.

2006420620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2006420620 is an abundant number, since it is smaller than the sum of its proper divisors (2229130868).

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

2006420620 is a wasteful number, since it uses less digits than its factorization.

2006420620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525441 (or 525439 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2006420620 is about 44793.0867433804. The cubic root of 2006420620 is about 1261.2678554155.

Adding to 2006420620 its reverse (260246002), we get a palindrome (2266666622).

The spelling of 2006420620 in words is "two billion, six million, four hundred twenty thousand, six hundred twenty".