200011120020 has 96 divisors (see below), whose sum is σ = 632457853440. Its totient is φ = 52461924480.

The previous prime is 200011119967. The next prime is 200011120021. The reversal of 200011120020 is 20021110002.

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 = 200011119984 and 200011120011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200011120021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3003052 + ... + 3068931.

It is an arithmetic number, because the mean of its divisors is an integer number (6588102640).

Almost surely, 2^200011120020 is an apocalyptic number.

200011120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200011120020 is an abundant number, since it is smaller than the sum of its proper divisors (432446733420).

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

200011120020 is a wasteful number, since it uses less digits than its factorization.

200011120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6072062 (or 6072054 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200011120020 its reverse (20021110002), we get a palindrome (220032230022).

The spelling of 200011120020 in words is "two hundred billion, eleven million, one hundred twenty thousand, twenty".