100420210 has 16 divisors (see below), whose sum is σ = 197188992. Its totient is φ = 36516400.

The previous prime is 100420181. The next prime is 100420217. The reversal of 100420210 is 12024001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (100420217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456346 + ... + 456565.

It is an arithmetic number, because the mean of its divisors is an integer number (12324312).

Almost surely, 2^100420210 is an apocalyptic number.

100420210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100420210 is a deficient number, since it is larger than the sum of its proper divisors (96768782).

100420210 is a wasteful number, since it uses less digits than its factorization.

100420210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912929.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 100420210 is about 10020.9884741975. The cubic root of 100420210 is about 464.8081221678.

Adding to 100420210 its reverse (12024001), we get a palindrome (112444211).

The spelling of 100420210 in words is "one hundred million, four hundred twenty thousand, two hundred ten".