200112101020 has 48 divisors (see below), whose sum is σ = 479182471488. Its totient is φ = 69541217280.

The previous prime is 200112100943. The next prime is 200112101023. The reversal of 200112101020 is 20101211002.

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

It is a junction number, because it is equal to n+sod(n) for n = 200112100988 and 200112101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200112101023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22632696 + ... + 22641535.

It is an arithmetic number, because the mean of its divisors is an integer number (9982968156).

Almost surely, 2^200112101020 is an apocalyptic number.

200112101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200112101020 is an abundant number, since it is smaller than the sum of its proper divisors (279070370468).

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

200112101020 is a wasteful number, since it uses less digits than its factorization.

200112101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45274270 (or 45274268 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200112101020 its reverse (20101211002), we get a palindrome (220213312022).

The spelling of 200112101020 in words is "two hundred billion, one hundred twelve million, one hundred one thousand, twenty".