20001210021022 has 8 divisors (see below), whose sum is σ = 30001896288000. Its totient is φ = 10000577925024.

The previous prime is 20001210021019. The next prime is 20001210021041. The reversal of 20001210021022 is 22012001210002.

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 = 20001210020993 and 20001210021011.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12606747 + ... + 14104342.

It is an arithmetic number, because the mean of its divisors is an integer number (3750237036000).

Almost surely, 2^{20001210021022} is an apocalyptic number.

20001210021022 is a deficient number, since it is larger than the sum of its proper divisors (10000686266978).

20001210021022 is a wasteful number, since it uses less digits than its factorization.

20001210021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27085490.

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

Adding to 20001210021022 its reverse (22012001210002), we get a palindrome (42013211231024).

The spelling of 20001210021022 in words is "twenty trillion, one billion, two hundred ten million, twenty-one thousand, twenty-two".