20001001012022 has 8 divisors (see below), whose sum is σ = 30001843053072. Its totient is φ = 10000386661000.

The previous prime is 20001001011983. The next prime is 20001001012033. The reversal of 20001001012022 is 22021010010002.

It is a happy number.

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

It is a super-3 number, since 3×20001001012022³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20001001011994 and 20001001012012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56702729 + ... + 57054372.

It is an arithmetic number, because the mean of its divisors is an integer number (3750230381634).

Almost surely, 2^{20001001012022} is an apocalyptic number.

20001001012022 is a deficient number, since it is larger than the sum of its proper divisors (10000842041050).

20001001012022 is a wasteful number, since it uses less digits than its factorization.

20001001012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113845014.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20001001012022 its reverse (22021010010002), we get a palindrome (42022011022024).

The spelling of 20001001012022 in words is "twenty trillion, one billion, one million, twelve thousand, twenty-two".