20000001210201 has 32 divisors (see below), whose sum is σ = 29682863907840. Its totient is φ = 13309384492800.

The previous prime is 20000001210197. The next prime is 20000001210223. The reversal of 20000001210201 is 10201210000002.

It is not a de Polignac number, because 20000001210201 - 2² = 20000001210197 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20000001217201) 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, 156539736 + ... + 156667446.

It is an arithmetic number, because the mean of its divisors is an integer number (927589497120).

Almost surely, 2^{20000001210201} is an apocalyptic number.

It is an amenable number.

20000001210201 is a deficient number, since it is larger than the sum of its proper divisors (9682862697639).

20000001210201 is a wasteful number, since it uses less digits than its factorization.

20000001210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138094 (or 138088 counting only the distinct ones).

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

Adding to 20000001210201 its reverse (10201210000002), we get a palindrome (30201211210203).

The spelling of 20000001210201 in words is "twenty trillion, one million, two hundred ten thousand, two hundred one".