2662026620 has 60 divisors (see below), whose sum is σ = 6149919720. Its totient is φ = 967903200.

The previous prime is 2662026613. The next prime is 2662026623. The reversal of 2662026620 is 266202662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662026623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 288275 + ... + 297365.

It is an arithmetic number, because the mean of its divisors is an integer number (102498662).

Almost surely, 2^2662026620 is an apocalyptic number.

2662026620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2662026620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3074959860).

2662026620 is an abundant number, since it is smaller than the sum of its proper divisors (3487893100).

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

2662026620 is an equidigital number, since it uses as much as digits as its factorization.

2662026620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9144 (or 9109 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2662026620 is about 51594.8313302796. The cubic root of 2662026620 is about 1385.9177745795.

The spelling of 2662026620 in words is "two billion, six hundred sixty-two million, twenty-six thousand, six hundred twenty".