100206156 has 24 divisors (see below), whose sum is σ = 234710784. Its totient is φ = 33274000.

The previous prime is 100206137. The next prime is 100206163. The reversal of 100206156 is 651602001.

It is a happy number.

It is a super-3 number, since 3×100206156³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12720 + ... + 19031.

It is an arithmetic number, because the mean of its divisors is an integer number (9779616).

Almost surely, 2^100206156 is an apocalyptic number.

It is an amenable number.

100206156 is an abundant number, since it is smaller than the sum of its proper divisors (134504628).

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

100206156 is a wasteful number, since it uses less digits than its factorization.

100206156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32021 (or 32019 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 100206156 is about 10010.3024929320. The cubic root of 100206156 is about 464.4776282202.

Adding to 100206156 its reverse (651602001), we get a palindrome (751808157).

The spelling of 100206156 in words is "one hundred million, two hundred six thousand, one hundred fifty-six".