201000010220020 has 48 divisors (see below), whose sum is σ = 475326710401536. Its totient is φ = 70733141424000.

The previous prime is 201000010219949. The next prime is 201000010220021. The reversal of 201000010220020 is 20022010000102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 201000010219979 and 201000010220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000010220021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14736064311 + ... + 14736077950.

It is an arithmetic number, because the mean of its divisors is an integer number (9902639800032).

Almost surely, 2^{201000010220020} is an apocalyptic number.

201000010220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000010220020 is an abundant number, since it is smaller than the sum of its proper divisors (274326700181516).

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

201000010220020 is a wasteful number, since it uses less digits than its factorization.

201000010220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29472142312 (or 29472142310 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 201000010220020 its reverse (20022010000102), we get a palindrome (221022020220122).

The spelling of 201000010220020 in words is "two hundred one trillion, ten million, two hundred twenty thousand, twenty".