20202200122001 has 4 divisors (see below), whose sum is σ = 20202256222500. Its totient is φ = 20202144021504.

The previous prime is 20202200121973. The next prime is 20202200122009. The reversal of 20202200122001 is 10022100220202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14017528512001 + 6184671610000 = 3743999^2 + 2486900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202200122001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202200122009) 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, 27506576 + ... + 28231473.

It is an arithmetic number, because the mean of its divisors is an integer number (5050564055625).

Almost surely, 2^{20202200122001} is an apocalyptic number.

It is an amenable number.

20202200122001 is a deficient number, since it is larger than the sum of its proper divisors (56100499).

20202200122001 is an equidigital number, since it uses as much as digits as its factorization.

20202200122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56100498.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20202200122001 its reverse (10022100220202), we get a palindrome (30224300342203).

The spelling of 20202200122001 in words is "twenty trillion, two hundred two billion, two hundred million, one hundred twenty-two thousand, one".