200110120020 has 72 divisors (see below), whose sum is σ = 638948113440. Its totient is φ = 50554134720.

The previous prime is 200110120013. The next prime is 200110120037. The reversal of 200110120020 is 20021011002.

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 = 200110119984 and 200110120011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29252446 + ... + 29259285.

Almost surely, 2^200110120020 is an apocalyptic number.

200110120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200110120020 is an abundant number, since it is smaller than the sum of its proper divisors (438837993420).

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

200110120020 is a wasteful number, since it uses less digits than its factorization.

200110120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58511765 (or 58511760 counting only the distinct ones).

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

Adding to 200110120020 its reverse (20021011002), we get a palindrome (220131131022).

It can be divided in two parts, 200 and 110120020, that added together give a triangular number (110120220 = T₁₄₈₄₀).

The spelling of 200110120020 in words is "two hundred billion, one hundred ten million, one hundred twenty thousand, twenty".