20020102022221 has 8 divisors (see below), whose sum is σ = 22932957516224. Its totient is φ = 17120456758080.

The previous prime is 20020102022209. The next prime is 20020102022231. The reversal of 20020102022221 is 12222020102002.

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 20020102022221 - 2⁷ = 20020102022093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20020102022195 and 20020102022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020102022201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3302554215 + ... + 3302560276.

It is an arithmetic number, because the mean of its divisors is an integer number (2866619689528).

Almost surely, 2^{20020102022221} is an apocalyptic number.

It is an amenable number.

20020102022221 is a deficient number, since it is larger than the sum of its proper divisors (2912855494003).

20020102022221 is an equidigital number, since it uses as much as digits as its factorization.

20020102022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6605114931.

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

Adding to 20020102022221 its reverse (12222020102002), we get a palindrome (32242122124223).

The spelling of 20020102022221 in words is "twenty trillion, twenty billion, one hundred two million, twenty-two thousand, two hundred twenty-one".