100000202220 has 144 divisors (see below), whose sum is σ = 304450368768. Its totient is φ = 26568812160.

The previous prime is 100000202213. The next prime is 100000202227. The reversal of 100000202220 is 22202000001.

It is an interprime number because it is at equal distance from previous prime (100000202213) and next prime (100000202227).

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 (100000202227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102986335 + ... + 102987305.

It is an arithmetic number, because the mean of its divisors is an integer number (2114238672).

Almost surely, 2^100000202220 is an apocalyptic number.

100000202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100000202220 is an abundant number, since it is smaller than the sum of its proper divisors (204450166548).

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

100000202220 is a wasteful number, since it uses less digits than its factorization.

100000202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500 (or 2495 counting only the distinct ones).

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

Adding to 100000202220 its reverse (22202000001), we get a palindrome (122202202221).

The spelling of 100000202220 in words is "one hundred billion, two hundred two thousand, two hundred twenty".