20020112200 has 48 divisors (see below), whose sum is σ = 50778290160. Its totient is φ = 7280040000.

The previous prime is 20020112149. The next prime is 20020112207. The reversal of 20020112200 is 221102002.

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

It is not an unprimeable number, because it can be changed into a prime (20020112207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4547826 + ... + 4552225.

It is an arithmetic number, because the mean of its divisors is an integer number (1057881045).

Almost surely, 2^20020112200 is an apocalyptic number.

20020112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020112200 is an abundant number, since it is smaller than the sum of its proper divisors (30758177960).

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

20020112200 is a wasteful number, since it uses less digits than its factorization.

20020112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9100078 (or 9100069 counting only the distinct ones).

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

Adding to 20020112200 its reverse (221102002), we get a palindrome (20241214202).

The spelling of 20020112200 in words is "twenty billion, twenty million, one hundred twelve thousand, two hundred".