200011011020 has 24 divisors (see below), whose sum is σ = 420114963744. Its totient is φ = 79986910976.

The previous prime is 200011011017. The next prime is 200011011089. The reversal of 200011011020 is 20110110002.

It is a super-2 number, since 2×200011011020² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200011010989 and 200011011007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999389 + ... + 1182708.

It is an arithmetic number, because the mean of its divisors is an integer number (17504790156).

Almost surely, 2^200011011020 is an apocalyptic number.

200011011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200011011020 is an abundant number, since it is smaller than the sum of its proper divisors (220103952724).

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

200011011020 is a wasteful number, since it uses less digits than its factorization.

200011011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186689 (or 2186687 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 200011011020 its reverse (20110110002), we get a palindrome (220121121022).

The spelling of 200011011020 in words is "two hundred billion, eleven million, eleven thousand, twenty".