200111011020 has 72 divisors (see below), whose sum is σ = 633394865376. Its totient is φ = 51042807552.

The previous prime is 200111011007. The next prime is 200111011021. The reversal of 200111011020 is 20110111002.

It is a happy number.

200111011020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×200111011020² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 200111010993 and 200111011011.

It is not an unprimeable number, because it can be changed into a prime (200111011021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24163857 + ... + 24172136.

It is an arithmetic number, because the mean of its divisors is an integer number (8797150908).

Almost surely, 2^200111011020 is an apocalyptic number.

200111011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200111011020 is an abundant number, since it is smaller than the sum of its proper divisors (433283854356).

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

200111011020 is a wasteful number, since it uses less digits than its factorization.

200111011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48336031 (or 48336026 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 200111011020 its reverse (20110111002), we get a palindrome (220221122022).

The spelling of 200111011020 in words is "two hundred billion, one hundred eleven million, eleven thousand, twenty".