20001210120201 has 32 divisors (see below), whose sum is σ = 26820279152640. Its totient is φ = 13258373192064.

The previous prime is 20001210120191. The next prime is 20001210120247. The reversal of 20001210120201 is 10202101210002.

It is not a de Polignac number, because 20001210120201 - 2³⁸ = 19726332213257 is a prime.

It is a super-4 number, since 4×20001210120201⁴ (a number of 54 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (20001210120301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1747282660 + ... + 1747294106.

It is an arithmetic number, because the mean of its divisors is an integer number (838133723520).

Almost surely, 2^{20001210120201} is an apocalyptic number.

It is an amenable number.

20001210120201 is a deficient number, since it is larger than the sum of its proper divisors (6819069032439).

20001210120201 is a wasteful number, since it uses less digits than its factorization.

20001210120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16245.

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

Adding to 20001210120201 its reverse (10202101210002), we get a palindrome (30203311330203).

The spelling of 20001210120201 in words is "twenty trillion, one billion, two hundred ten million, one hundred twenty thousand, two hundred one".