1100202020208 has 30 divisors (see below), whose sum is σ = 3079037598624. Its totient is φ = 366734006688.

The previous prime is 1100202020201. The next prime is 1100202020233. The reversal of 1100202020208 is 8020202020011.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100202020201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3820145760 + ... + 3820146047.

Almost surely, 2^{1100202020208} is an apocalyptic number.

1100202020208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1100202020208 is an abundant number, since it is smaller than the sum of its proper divisors (1978835578416).

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

1100202020208 is a wasteful number, since it uses less digits than its factorization.

1100202020208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7640291821 (or 7640291812 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1100202020208 its reverse (8020202020011), we get a palindrome (9120404040219).

The spelling of 1100202020208 in words is "one trillion, one hundred billion, two hundred two million, twenty thousand, two hundred eight".