2661300220200 has 192 divisors, whose sum is σ = 8632824844800. Its totient is φ = 677378764800.

The previous prime is 2661300220171. The next prime is 2661300220237. The reversal of 2661300220200 is 20220031662.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 377796 + ... + 2337804.

It is an arithmetic number, because the mean of its divisors is an integer number (44962629400).

Almost surely, 2^{2661300220200} is an apocalyptic number.

2661300220200 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 2661300220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4316412422400).

2661300220200 is an abundant number, since it is smaller than the sum of its proper divisors (5971524624600).

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

2661300220200 is a wasteful number, since it uses less digits than its factorization.

2661300220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960132 (or 1960123 counting only the distinct ones).

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

Adding to 2661300220200 its reverse (20220031662), we get a palindrome (2681520251862).

The spelling of 2661300220200 in words is "two trillion, six hundred sixty-one billion, three hundred million, two hundred twenty thousand, two hundred".