202044024020 has 12 divisors (see below), whose sum is σ = 424292450484. Its totient is φ = 80817609600.

The previous prime is 202044024011. The next prime is 202044024073. The reversal of 202044024020 is 20420440202.

It can be written as a sum of positive squares in 2 ways, for example, as 84770651716 + 117273372304 = 291154^2 + 342452^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 10102201201 = 202044024020 / (2 + 0 + 2 + 0 + 4 + 4 + 0 + 2 + 4 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 202044023983 and 202044024001.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5051100581 + ... + 5051100620.

It is an arithmetic number, because the mean of its divisors is an integer number (35357704207).

Almost surely, 2^202044024020 is an apocalyptic number.

202044024020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202044024020 is an abundant number, since it is smaller than the sum of its proper divisors (222248426464).

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

202044024020 is a wasteful number, since it uses less digits than its factorization.

202044024020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10102201210 (or 10102201208 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 202044024020 its reverse (20420440202), we get a palindrome (222464464222).

The spelling of 202044024020 in words is "two hundred two billion, forty-four million, twenty-four thousand, twenty".