1000204331022 has 96 divisors (see below), whose sum is σ = 2423684652480. Its totient is φ = 295986216960.

The previous prime is 1000204330987. The next prime is 1000204331177. The reversal of 1000204331022 is 2201334020001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1000204330986 and 1000204331004.

It is a congruent number.

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, 1457247 + ... + 2030757.

It is an arithmetic number, because the mean of its divisors is an integer number (25246715130).

Almost surely, 2^{1000204331022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000204331022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1211842326240).

1000204331022 is an abundant number, since it is smaller than the sum of its proper divisors (1423480321458).

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

1000204331022 is a wasteful number, since it uses less digits than its factorization.

1000204331022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573818 (or 573815 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1000204331022 its reverse (2201334020001), we get a palindrome (3201538351023).

The spelling of 1000204331022 in words is "one trillion, two hundred four million, three hundred thirty-one thousand, twenty-two".