2002126620 has 48 divisors (see below), whose sum is σ = 6037184160. Its totient is φ = 492830976.

The previous prime is 2002126571. The next prime is 2002126649. The reversal of 2002126620 is 266212002.

It is a super-2 number, since 2×2002126620² = 8017022005025248800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1282635 + ... + 1284194.

It is an arithmetic number, because the mean of its divisors is an integer number (125774670).

Almost surely, 2^2002126620 is an apocalyptic number.

2002126620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002126620 is an abundant number, since it is smaller than the sum of its proper divisors (4035057540).

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

2002126620 is a wasteful number, since it uses less digits than its factorization.

2002126620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566854 (or 2566852 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2002126620 is about 44745.1295673619. The cubic root of 2002126620 is about 1260.3674539275.

Adding to 2002126620 its reverse (266212002), we get a palindrome (2268338622).

The spelling of 2002126620 in words is "two billion, two million, one hundred twenty-six thousand, six hundred twenty".