100020412 has 12 divisors (see below), whose sum is σ = 176314320. Its totient is φ = 49644896.

The previous prime is 100020383. The next prime is 100020413. The reversal of 100020412 is 214020001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020413) 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, 90712 + ... + 91807.

It is an arithmetic number, because the mean of its divisors is an integer number (14692860).

Almost surely, 2^100020412 is an apocalyptic number.

It is an amenable number.

100020412 is a deficient number, since it is larger than the sum of its proper divisors (76293908).

100020412 is a wasteful number, since it uses less digits than its factorization.

100020412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182660 (or 182658 counting only the distinct ones).

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

The square root of 100020412 is about 10001.0205479241. The cubic root of 100020412 is about 464.1904625831.

Adding to 100020412 its reverse (214020001), we get a palindrome (314040413).

It can be divided in two parts, 1000 and 20412, that added together give a palindrome (21412).

The spelling of 100020412 in words is "one hundred million, twenty thousand, four hundred twelve".