201010010020 has 24 divisors (see below), whose sum is σ = 425157868800. Its totient is φ = 79825556832.

The previous prime is 201010009997. The next prime is 201010010023. The reversal of 201010010020 is 20010010102.

201010010020 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 = 201010009985 and 201010010012.

It is not an unprimeable number, because it can be changed into a prime (201010010023) 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 7 ways as a sum of consecutive naturals, for example, 36150100 + ... + 36155659.

It is an arithmetic number, because the mean of its divisors is an integer number (17714911200).

Almost surely, 2^201010010020 is an apocalyptic number.

201010010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201010010020 is an abundant number, since it is smaller than the sum of its proper divisors (224147858780).

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

201010010020 is a wasteful number, since it uses less digits than its factorization.

201010010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72305907 (or 72305905 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 201010010020 its reverse (20010010102), we get a palindrome (221020020122).

The spelling of 201010010020 in words is "two hundred one billion, ten million, ten thousand, twenty".