200101120120020 has 72 divisors (see below), whose sum is σ = 651757934114784. Its totient is φ = 45737398883904.

The previous prime is 200101120119973. The next prime is 200101120120103. The reversal of 200101120120020 is 20021021101002.

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 = 200101120119978 and 200101120120005.

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, 34030799802 + ... + 34030805681.

It is an arithmetic number, because the mean of its divisors is an integer number (9052193529372).

Almost surely, 2^{200101120120020} is an apocalyptic number.

200101120120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200101120120020 is an abundant number, since it is smaller than the sum of its proper divisors (451656813994764).

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

200101120120020 is a wasteful number, since it uses less digits than its factorization.

200101120120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68061605509 (or 68061605500 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200101120120020 its reverse (20021021101002), we get a palindrome (220122141221022).

The spelling of 200101120120020 in words is "two hundred trillion, one hundred one billion, one hundred twenty million, one hundred twenty thousand, twenty".