20100201201 has 12 divisors (see below), whose sum is σ = 29466962512. Its totient is φ = 13200131736.

The previous prime is 20100201167. The next prime is 20100201203. The reversal of 20100201201 is 10210200102.

It is not a de Polignac number, because 20100201201 - 2⁹ = 20100200689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

20100201201 is a modest number, since divided by 201201 gives 20100 as remainder.

It is not an unprimeable number, because it can be changed into a prime (20100201203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16666231 + ... + 16667436.

Almost surely, 2^20100201201 is an apocalyptic number.

It is an amenable number.

20100201201 is a deficient number, since it is larger than the sum of its proper divisors (9366761311).

20100201201 is a wasteful number, since it uses less digits than its factorization.

20100201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33333740 (or 33333737 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20100201201 its reverse (10210200102), we get a palindrome (30310401303).

The spelling of 20100201201 in words is "twenty billion, one hundred million, two hundred one thousand, two hundred one".