1000020200022 has 16 divisors (see below), whose sum is σ = 2222267111280. Its totient is φ = 333340066656.

The previous prime is 1000020199993. The next prime is 1000020200057. The reversal of 1000020200022 is 2200020200001.

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

It is a junction number, because it is equal to n+sod(n) for n = 1000020199977 and 1000020200013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9259446243 + ... + 9259446350.

It is an arithmetic number, because the mean of its divisors is an integer number (138891694455).

Almost surely, 2^{1000020200022} is an apocalyptic number.

1000020200022 is an abundant number, since it is smaller than the sum of its proper divisors (1222246911258).

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

1000020200022 is a wasteful number, since it uses less digits than its factorization.

1000020200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18518892604 (or 18518892598 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 1000020200022 its reverse (2200020200001), we get a palindrome (3200040400023).

The spelling of 1000020200022 in words is "one trillion, twenty million, two hundred thousand, twenty-two".