100040202 has 24 divisors (see below), whose sum is σ = 226178784. Its totient is φ = 31896744.

The previous prime is 100040201. The next prime is 100040233. The reversal of 100040202 is 202040001.

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 (100040201) 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, 120408 + ... + 121235.

It is an arithmetic number, because the mean of its divisors is an integer number (9424116).

Almost surely, 2^100040202 is an apocalyptic number.

100040202 is an abundant number, since it is smaller than the sum of its proper divisors (126138582).

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

100040202 is a wasteful number, since it uses less digits than its factorization.

100040202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241674 (or 241671 counting only the distinct ones).

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

The square root of 100040202 is about 10002.0098980155. The cubic root of 100040202 is about 464.2210754126.

Adding to 100040202 its reverse (202040001), we get a palindrome (302080203).

The spelling of 100040202 in words is "one hundred million, forty thousand, two hundred two".