220001000202 has 96 divisors (see below), whose sum is σ = 506681360640. Its totient is φ = 68750707200.

The previous prime is 220001000201. The next prime is 220001000213. The reversal of 220001000202 is 202000100022.

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 (220001000201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107895499 + ... + 107897537.

It is an arithmetic number, because the mean of its divisors is an integer number (5277930840).

Almost surely, 2^220001000202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220001000202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253340680320).

220001000202 is an abundant number, since it is smaller than the sum of its proper divisors (286680360438).

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

220001000202 is a wasteful number, since it uses less digits than its factorization.

220001000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268 (or 3265 counting only the distinct ones).

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

Adding to 220001000202 its reverse (202000100022), we get a palindrome (422001100224).

It can be divided in two parts, 22000100020 and 2, that added together give a palindrome (22000100022).

The spelling of 220001000202 in words is "two hundred twenty billion, one million, two hundred two", and thus it is an aban number.