20201010120001 has 4 divisors (see below), whose sum is σ = 20226678494512. Its totient is φ = 20175341745492.

The previous prime is 20201010119869. The next prime is 20201010120013. The reversal of 20201010120001 is 10002101010202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20201010120001 - 2¹³ = 20201010111809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20201010120001.

It is not an unprimeable number, because it can be changed into a prime (20201010100001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12834186075 + ... + 12834187648.

It is an arithmetic number, because the mean of its divisors is an integer number (5056669623628).

Almost surely, 2^{20201010120001} is an apocalyptic number.

It is an amenable number.

20201010120001 is a deficient number, since it is larger than the sum of its proper divisors (25668374511).

20201010120001 is an equidigital number, since it uses as much as digits as its factorization.

20201010120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25668374510.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20201010120001 its reverse (10002101010202), we get a palindrome (30203111130203).

The spelling of 20201010120001 in words is "twenty trillion, two hundred one billion, ten million, one hundred twenty thousand, one".