20435201122201 has 4 divisors (see below), whose sum is σ = 20438055606400. Its totient is φ = 20432346638004.

The previous prime is 20435201122151. The next prime is 20435201122223. The reversal of 20435201122201 is 10222110253402.

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 20435201122201 - 2¹⁹ = 20435200597913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20435201122241) 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, 1427231361 + ... + 1427245678.

It is an arithmetic number, because the mean of its divisors is an integer number (5109513901600).

Almost surely, 2^{20435201122201} is an apocalyptic number.

It is an amenable number.

20435201122201 is a deficient number, since it is larger than the sum of its proper divisors (2854484199).

20435201122201 is an equidigital number, since it uses as much as digits as its factorization.

20435201122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854484198.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 20435201122201 its reverse (10222110253402), we get a palindrome (30657311375603).

The spelling of 20435201122201 in words is "twenty trillion, four hundred thirty-five billion, two hundred one million, one hundred twenty-two thousand, two hundred one".