266620002 has 128 divisors (see below), whose sum is σ = 642981888. Its totient is φ = 72864000.

The previous prime is 266619971. The next prime is 266620019. The reversal of 266620002 is 200026662.

266620002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2639752 + ... + 2639852.

It is an arithmetic number, because the mean of its divisors is an integer number (5023296).

Almost surely, 2^266620002 is an apocalyptic number.

266620002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 266620002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321490944).

266620002 is an abundant number, since it is smaller than the sum of its proper divisors (376361886).

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

266620002 is a wasteful number, since it uses less digits than its factorization.

266620002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 266620002 is about 16328.5027482620. The cubic root of 266620002 is about 643.6220423466.

Adding to 266620002 its reverse (200026662), we get a palindrome (466646664).

The spelling of 266620002 in words is "two hundred sixty-six million, six hundred twenty thousand, two".