100220202 has 24 divisors (see below), whose sum is σ = 229917636. Its totient is φ = 31441536.

The previous prime is 100220189. The next prime is 100220203. The reversal of 100220202 is 202022001.

It can be written as a sum of positive squares in 2 ways, for example, as 100220121 + 81 = 10011^2 + 9^2 .

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 (100220203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163453 + ... + 164064.

Almost surely, 2^100220202 is an apocalyptic number.

100220202 is an abundant number, since it is smaller than the sum of its proper divisors (129697434).

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

100220202 is a wasteful number, since it uses less digits than its factorization.

100220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327542 (or 327539 counting only the distinct ones).

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

The square root of 100220202 is about 10011.0040455491. The cubic root of 100220202 is about 464.4993293086.

Adding to 100220202 its reverse (202022001), we get a palindrome (302242203).

The spelling of 100220202 in words is "one hundred million, two hundred twenty thousand, two hundred two".