20021000002022 has 8 divisors (see below), whose sum is σ = 30031522227000. Its totient is φ = 10010492593024.

The previous prime is 20021000002013. The next prime is 20021000002063. The reversal of 20021000002022 is 22020000012002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20021000001994 and 20021000002012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741254 + ... + 6371142.

It is an arithmetic number, because the mean of its divisors is an integer number (3753940278375).

Almost surely, 2^{20021000002022} is an apocalyptic number.

20021000002022 is a deficient number, since it is larger than the sum of its proper divisors (10010522224978).

20021000002022 is a wasteful number, since it uses less digits than its factorization.

20021000002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407990.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20021000002022 its reverse (22020000012002), we get a palindrome (42041000014024).

The spelling of 20021000002022 in words is "twenty trillion, twenty-one billion, two thousand, twenty-two".