1020001002200 has 24 divisors (see below), whose sum is σ = 2371502330580. Its totient is φ = 408000400800.

The previous prime is 1020001002199. The next prime is 1020001002211. The reversal of 1020001002200 is 22001000201.

It is a super-3 number, since 3×1020001002200³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2550002306 + ... + 2550002705.

Almost surely, 2^{1020001002200} is an apocalyptic number.

1020001002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020001002200 is an abundant number, since it is smaller than the sum of its proper divisors (1351501328380).

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

1020001002200 is a wasteful number, since it uses less digits than its factorization.

1020001002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100005027 (or 5100005018 counting only the distinct ones).

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

Adding to 1020001002200 its reverse (22001000201), we get a palindrome (1042002002401).

The spelling of 1020001002200 in words is "one trillion, twenty billion, one million, two thousand, two hundred".