20202201022001 has 4 divisors (see below), whose sum is σ = 20206343368692. Its totient is φ = 20198058675312.

The previous prime is 20202201021953. The next prime is 20202201022027. The reversal of 20202201022001 is 10022010220202.

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 3148406640625 + 17053794381376 = 1774375^2 + 4129624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202201022001 is a prime.

It is a super-2 number, since 2×20202201022001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202201021001) 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, 2071166030 + ... + 2071175783.

It is an arithmetic number, because the mean of its divisors is an integer number (5051585842173).

Almost surely, 2^{20202201022001} is an apocalyptic number.

It is an amenable number.

20202201022001 is a deficient number, since it is larger than the sum of its proper divisors (4142346691).

20202201022001 is an equidigital number, since it uses as much as digits as its factorization.

20202201022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142346690.

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

Adding to 20202201022001 its reverse (10022010220202), we get a palindrome (30224211242203).

The spelling of 20202201022001 in words is "twenty trillion, two hundred two billion, two hundred one million, twenty-two thousand, one".