20020022202001 has 4 divisors (see below), whose sum is σ = 20044347867712. Its totient is φ = 19995696536292.

The previous prime is 20020022201947. The next prime is 20020022202043. The reversal of 20020022202001 is 10020222002002.

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 20020022202001 - 2⁹ = 20020022201489 is a prime.

It is a super-2 number, since 2×20020022202001² (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 (20020022802001) 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, 12162831621 + ... + 12162833266.

It is an arithmetic number, because the mean of its divisors is an integer number (5011086966928).

Almost surely, 2^{20020022202001} is an apocalyptic number.

It is an amenable number.

20020022202001 is a deficient number, since it is larger than the sum of its proper divisors (24325665711).

20020022202001 is an equidigital number, since it uses as much as digits as its factorization.

20020022202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24325665710.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20020022202001 its reverse (10020222002002), we get a palindrome (30040244204003).

The spelling of 20020022202001 in words is "twenty trillion, twenty billion, twenty-two million, two hundred two thousand, one".