202404244021 has 32 divisors (see below), whose sum is σ = 241013145600. Its totient is φ = 166414279680.

The previous prime is 202404243973. The next prime is 202404244079. The reversal of 202404244021 is 120442404202.

202404244021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 202404244021 - 2¹⁹ = 202403719733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202404244621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2737740 + ... + 2810698.

It is an arithmetic number, because the mean of its divisors is an integer number (7531660800).

Almost surely, 2^202404244021 is an apocalyptic number.

It is an amenable number.

202404244021 is a deficient number, since it is larger than the sum of its proper divisors (38608901579).

202404244021 is an equidigital number, since it uses as much as digits as its factorization.

202404244021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73189.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 202404244021 its reverse (120442404202), we get a palindrome (322846648223).

The spelling of 202404244021 in words is "two hundred two billion, four hundred four million, two hundred forty-four thousand, twenty-one".