20021011002022 has 8 divisors (see below), whose sum is σ = 30368949273000. Its totient is φ = 9898027911024.

The previous prime is 20021011002001. The next prime is 20021011002029. The reversal of 20021011002022 is 22020011012002.

It is a happy number.

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 = 20021011001993 and 20021011002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021011002029) 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, 56238794772 + ... + 56238795127.

It is an arithmetic number, because the mean of its divisors is an integer number (3796118659125).

Almost surely, 2^{20021011002022} is an apocalyptic number.

20021011002022 is a deficient number, since it is larger than the sum of its proper divisors (10347938270978).

20021011002022 is a wasteful number, since it uses less digits than its factorization.

20021011002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112477589990.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20021011002022 its reverse (22020011012002), we get a palindrome (42041022014024).

The spelling of 20021011002022 in words is "twenty trillion, twenty-one billion, eleven million, two thousand, twenty-two".