20022101001000 has 192 divisors, whose sum is σ = 77342516110080. Its totient is φ = 4576480214400.

The previous prime is 20022101000983. The next prime is 20022101001053. The reversal of 20022101001000 is 10010122002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158842564 + ... + 158968563.

It is an arithmetic number, because the mean of its divisors is an integer number (402825604740).

Almost surely, 2^{20022101001000} is an apocalyptic number.

20022101001000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022101001000 is an abundant number, since it is smaller than the sum of its proper divisors (57320415109080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20022101001000 is a wasteful number, since it uses less digits than its factorization.

20022101001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317811161 (or 317811144 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20022101001000 its reverse (10010122002), we get a palindrome (20032111123002).

The spelling of 20022101001000 in words is "twenty trillion, twenty-two billion, one hundred one million, one thousand".