201043022020 has 24 divisors (see below), whose sum is σ = 427534531200. Its totient is φ = 79399268832.

The previous prime is 201043022017. The next prime is 201043022021. The reversal of 201043022020 is 20220340102.

It is a junction number, because it is equal to n+sod(n) for n = 201043021985 and 201043022003.

It is not an unprimeable number, because it can be changed into a prime (201043022021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63619630 + ... + 63622789.

It is an arithmetic number, because the mean of its divisors is an integer number (17813938800).

Almost surely, 2^201043022020 is an apocalyptic number.

201043022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201043022020 is an abundant number, since it is smaller than the sum of its proper divisors (226491509180).

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

201043022020 is a wasteful number, since it uses less digits than its factorization.

201043022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127242507 (or 127242505 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 201043022020 its reverse (20220340102), we get a palindrome (221263362122).

The spelling of 201043022020 in words is "two hundred one billion, forty-three million, twenty-two thousand, twenty".