20002222122001 has 8 divisors (see below), whose sum is σ = 22859712343040. Its totient is φ = 17144739380448.

The previous prime is 20002222121989. The next prime is 20002222122011. The reversal of 20002222122001 is 10022122220002.

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

It is a cyclic number.

It is not a de Polignac number, because 20002222122001 - 2⁵ = 20002222121969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002222122011) 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, 6159085 + ... + 8828293.

It is an arithmetic number, because the mean of its divisors is an integer number (2857464042880).

Almost surely, 2^{20002222122001} is an apocalyptic number.

It is an amenable number.

20002222122001 is a deficient number, since it is larger than the sum of its proper divisors (2857490221039).

20002222122001 is a wasteful number, since it uses less digits than its factorization.

20002222122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739743.

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

Adding to 20002222122001 its reverse (10022122220002), we get a palindrome (30024344342003).

The spelling of 20002222122001 in words is "twenty trillion, two billion, two hundred twenty-two million, one hundred twenty-two thousand, one".