201001320020220 has 48 divisors (see below), whose sum is σ = 569127333106080. Its totient is φ = 52998100857856.

The previous prime is 201001320020203. The next prime is 201001320020227. The reversal of 201001320020220 is 22020023100102.

It is a happy number.

201001320020220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201001320020220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001320020227) 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, 18820342977 + ... + 18820353656.

It is an arithmetic number, because the mean of its divisors is an integer number (11856819439710).

Almost surely, 2^{201001320020220} is an apocalyptic number.

201001320020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201001320020220 is an abundant number, since it is smaller than the sum of its proper divisors (368126013085860).

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

201001320020220 is a wasteful number, since it uses less digits than its factorization.

201001320020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37640696734 (or 37640696732 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 201001320020220 its reverse (22020023100102), we get a palindrome (223021343120322).

The spelling of 201001320020220 in words is "two hundred one trillion, one billion, three hundred twenty million, twenty thousand, two hundred twenty".