100020201 has 8 divisors (see below), whose sum is σ = 133449120. Its totient is φ = 66635712.

The previous prime is 100020191. The next prime is 100020233. The reversal of 100020201 is 102020001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100020201 - 2²³ = 91631593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100020201.

It is not an unprimeable number, because it can be changed into a prime (100020251) 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, 5440 + ... + 15153.

It is an arithmetic number, because the mean of its divisors is an integer number (16681140).

Almost surely, 2^100020201 is an apocalyptic number.

It is an amenable number.

100020201 is a deficient number, since it is larger than the sum of its proper divisors (33428919).

100020201 is a wasteful number, since it uses less digits than its factorization.

100020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22215.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 100020201 is about 10001.0099989951. The cubic root of 100020201 is about 464.1901361689.

Adding to 100020201 its reverse (102020001), we get a palindrome (202040202).

The spelling of 100020201 in words is "one hundred million, twenty thousand, two hundred one".