20001210210201 has 16 divisors (see below), whose sum is σ = 29314750848768. Its totient is φ = 12029411643600.

The previous prime is 20001210210197. The next prime is 20001210210203. The reversal of 20001210210201 is 10201201210002.

It is not a de Polignac number, because 20001210210201 - 2² = 20001210210197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20001210210203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2313344071 + ... + 2313352716.

It is an arithmetic number, because the mean of its divisors is an integer number (1832171928048).

Almost surely, 2^{20001210210201} is an apocalyptic number.

It is an amenable number.

20001210210201 is a deficient number, since it is larger than the sum of its proper divisors (9313540638567).

20001210210201 is a wasteful number, since it uses less digits than its factorization.

20001210210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626696932.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20001210210201 its reverse (10201201210002), we get a palindrome (30202411420203).

The spelling of 20001210210201 in words is "twenty trillion, one billion, two hundred ten million, two hundred ten thousand, two hundred one".