201010201200020 has 24 divisors (see below), whose sum is σ = 422122222687200. Its totient is φ = 80403928067232.

The previous prime is 201010201200019. The next prime is 201010201200031. The reversal of 201010201200020 is 20002102010102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201010201199974 and 201010201200010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606091 + ... + 20114669.

It is an arithmetic number, because the mean of its divisors is an integer number (17588425945300).

Almost surely, 2^{201010201200020} is an apocalyptic number.

201010201200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201010201200020 is an abundant number, since it is smaller than the sum of its proper divisors (221112021487180).

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

201010201200020 is a wasteful number, since it uses less digits than its factorization.

201010201200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19051607 (or 19051605 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201010201200020 its reverse (20002102010102), we get a palindrome (221012303210122).

The spelling of 201010201200020 in words is "two hundred one trillion, ten billion, two hundred one million, two hundred thousand, twenty".