200022100002 has 56 divisors (see below), whose sum is σ = 450102086784. Its totient is φ = 66635772984.

The previous prime is 200022099961. The next prime is 200022100009. The reversal of 200022100002 is 200001220002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (200022100009) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2561143 + ... + 2638085.

It is an arithmetic number, because the mean of its divisors is an integer number (8037537264).

Almost surely, 2^200022100002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200022100002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225051043392).

200022100002 is an abundant number, since it is smaller than the sum of its proper divisors (250079986782).

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

200022100002 is an equidigital number, since it uses as much as digits as its factorization.

200022100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78746 (or 78731 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 200022100002 its reverse (200001220002), we get a palindrome (400023320004).

The spelling of 200022100002 in words is "two hundred billion, twenty-two million, one hundred thousand, two".