200100200122020 has 96 divisors (see below), whose sum is σ = 611219607054336. Its totient is φ = 48508786224000.

The previous prime is 200100200122019. The next prime is 200100200122021. The reversal of 200100200122020 is 20221002001002.

It is an interprime number because it is at equal distance from previous prime (200100200122019) and next prime (200100200122021).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 200100200121987 and 200100200122005.

It is not an unprimeable number, because it can be changed into a prime (200100200122021) 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, 96089487 + ... + 98149833.

It is an arithmetic number, because the mean of its divisors is an integer number (6366870906816).

Almost surely, 2^{200100200122020} is an apocalyptic number.

200100200122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200100200122020 is an abundant number, since it is smaller than the sum of its proper divisors (411119406932316).

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

200100200122020 is a wasteful number, since it uses less digits than its factorization.

200100200122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207521 (or 2207519 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200100200122020 its reverse (20221002001002), we get a palindrome (220321202123022).

The spelling of 200100200122020 in words is "two hundred trillion, one hundred billion, two hundred million, one hundred twenty-two thousand, twenty".