100206190 has 64 divisors (see below), whose sum is σ = 220838400. Its totient is φ = 31971456.

The previous prime is 100206163. The next prime is 100206191. The reversal of 100206190 is 91602001.

It is a super-2 number, since 2×100206190² = 20082561028632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100206191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77832 + ... + 79108.

It is an arithmetic number, because the mean of its divisors is an integer number (3450600).

Almost surely, 2^100206190 is an apocalyptic number.

100206190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100206190 is an abundant number, since it is smaller than the sum of its proper divisors (120632210).

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

100206190 is a wasteful number, since it uses less digits than its factorization.

100206190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 100206190 is about 10010.3041911822. The cubic root of 100206190 is about 464.4776807527.

Adding to 100206190 its reverse (91602001), we get a palindrome (191808191).

The spelling of 100206190 in words is "one hundred million, two hundred six thousand, one hundred ninety".