100202240 has 36 divisors (see below), whose sum is σ = 240018744. Its totient is φ = 40080384.

The previous prime is 100202213. The next prime is 100202243. The reversal of 100202240 is 42202001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100202243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37862 + ... + 40421.

Almost surely, 2^100202240 is an apocalyptic number.

100202240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100202240 is an abundant number, since it is smaller than the sum of its proper divisors (139816504).

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

100202240 is an frugal number, since it uses more digits than its factorization.

100202240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78304 (or 78290 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 100202240 is about 10010.1068925362. The cubic root of 100202240 is about 464.4715776335.

Adding to 100202240 its reverse (42202001), we get a palindrome (142404241).

The spelling of 100202240 in words is "one hundred million, two hundred two thousand, two hundred forty".