20112002200 has 48 divisors (see below), whose sum is σ = 46772988480. Its totient is φ = 8042636160.

The previous prime is 20112002191. The next prime is 20112002237. The reversal of 20112002200 is 220021102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 878094 + ... + 900706.

It is an arithmetic number, because the mean of its divisors is an integer number (974437260).

Almost surely, 2^20112002200 is an apocalyptic number.

20112002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112002200 is an abundant number, since it is smaller than the sum of its proper divisors (26660986280).

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

20112002200 is a wasteful number, since it uses less digits than its factorization.

20112002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27076 (or 27067 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20112002200 its reverse (220021102), we get a palindrome (20332023302).

The spelling of 20112002200 in words is "twenty billion, one hundred twelve million, two thousand, two hundred".