1020002110200 has 144 divisors (see below), whose sum is σ = 3518088589080. Its totient is φ = 264649178880.

The previous prime is 1020002110151. The next prime is 1020002110207. The reversal of 1020002110200 is 20112000201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020002110207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7591074 + ... + 7724273.

Almost surely, 2^{1020002110200} is an apocalyptic number.

1020002110200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020002110200 is an abundant number, since it is smaller than the sum of its proper divisors (2498086478880).

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

1020002110200 is a wasteful number, since it uses less digits than its factorization.

1020002110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15315406 (or 15315394 counting only the distinct ones).

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

Adding to 1020002110200 its reverse (20112000201), we get a palindrome (1040114110401).

The spelling of 1020002110200 in words is "one trillion, twenty billion, two million, one hundred ten thousand, two hundred".