200122122020 has 48 divisors (see below), whose sum is σ = 427132137600. Its totient is φ = 78749082624.

The previous prime is 200122122019. The next prime is 200122122029. The reversal of 200122122020 is 20221221002.

200122122020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 200122121986 and 200122122004.

It is not an unprimeable number, because it can be changed into a prime (200122122029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15131 + ... + 632829.

It is an arithmetic number, because the mean of its divisors is an integer number (8898586200).

Almost surely, 2^200122122020 is an apocalyptic number.

200122122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200122122020 is an abundant number, since it is smaller than the sum of its proper divisors (227010015580).

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

200122122020 is a wasteful number, since it uses less digits than its factorization.

200122122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617972 (or 617970 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 200122122020 its reverse (20221221002), we get a palindrome (220343343022).

The spelling of 200122122020 in words is "two hundred billion, one hundred twenty-two million, one hundred twenty-two thousand, twenty".