202020202221001 has 8 divisors (see below), whose sum is σ = 211126512703680. Its totient is φ = 192940793690832.

The previous prime is 202020202220891. The next prime is 202020202221029. The reversal of 202020202221001 is 100122202020202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202020202221001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202020202221041) 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, 6725472771 + ... + 6725502808.

It is an arithmetic number, because the mean of its divisors is an integer number (26390814087960).

Almost surely, 2^{202020202221001} is an apocalyptic number.

It is an amenable number.

202020202221001 is a deficient number, since it is larger than the sum of its proper divisors (9106310482679).

202020202221001 is a wasteful number, since it uses less digits than its factorization.

202020202221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13450976255.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202020202221001 its reverse (100122202020202), we get a palindrome (302142404241203).

The spelling of 202020202221001 in words is "two hundred two trillion, twenty billion, two hundred two million, two hundred twenty-one thousand, one".