1002200011020 has 108 divisors (see below), whose sum is σ = 3291841674576. Its totient is φ = 246695379840.

The previous prime is 1002200010949. The next prime is 1002200011027. The reversal of 1002200011020 is 201100022001.

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 = 1002200010993 and 1002200011011.

It is not an unprimeable number, because it can be changed into a prime (1002200011027) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 16442296 + ... + 16503135.

Almost surely, 2^{1002200011020} is an apocalyptic number.

1002200011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002200011020 is an abundant number, since it is smaller than the sum of its proper divisors (2289641663556).

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

1002200011020 is a wasteful number, since it uses less digits than its factorization.

1002200011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32945472 (or 32945454 counting only the distinct ones).

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

Adding to 1002200011020 its reverse (201100022001), we get a palindrome (1203300033021).

The spelling of 1002200011020 in words is "one trillion, two billion, two hundred million, eleven thousand, twenty".