201020100010 has 8 divisors (see below), whose sum is σ = 361836180036. Its totient is φ = 80408040000.

The previous prime is 201020099993. The next prime is 201020100019. The reversal of 201020100010 is 10001020102.

It can be written as a sum of positive squares in 2 ways, for example, as 180106023321 + 20914076689 = 424389^2 + 144617^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 201020099966 and 201020100002.

It is not an unprimeable number, because it can be changed into a prime (201020100019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10051004991 + ... + 10051005010.

Almost surely, 2^201020100010 is an apocalyptic number.

201020100010 is a deficient number, since it is larger than the sum of its proper divisors (160816080026).

201020100010 is a wasteful number, since it uses less digits than its factorization.

201020100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20102010008.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 201020100010 its reverse (10001020102), we get a palindrome (211021120112).

The spelling of 201020100010 in words is "two hundred one billion, twenty million, one hundred thousand, ten".