20042120012201 has 8 divisors (see below), whose sum is σ = 22909702777920. Its totient is φ = 17175642937488.

The previous prime is 20042120012149. The next prime is 20042120012203. The reversal of 20042120012201 is 10221002124002.

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

It is not a de Polignac number, because 20042120012201 - 2¹⁸ = 20042119750057 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20042120012201.

It is not an unprimeable number, because it can be changed into a prime (20042120012203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276383906 + ... + 276456411.

It is an arithmetic number, because the mean of its divisors is an integer number (2863712847240).

Almost surely, 2^{20042120012201} is an apocalyptic number.

It is an amenable number.

20042120012201 is a deficient number, since it is larger than the sum of its proper divisors (2867582765719).

20042120012201 is an equidigital number, since it uses as much as digits as its factorization.

20042120012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552845503.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20042120012201 its reverse (10221002124002), we get a palindrome (30263122136203).

The spelling of 20042120012201 in words is "twenty trillion, forty-two billion, one hundred twenty million, twelve thousand, two hundred one".