202404413021 has 16 divisors (see below), whose sum is σ = 203711397120. Its totient is φ = 201103378560.

The previous prime is 202404412981. The next prime is 202404413023. The reversal of 202404413021 is 120314404202.

It is a cyclic number.

It is not a de Polignac number, because 202404413021 - 2²² = 202400218717 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 (202404413023) 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, 190408136 + ... + 190409198.

It is an arithmetic number, because the mean of its divisors is an integer number (12731962320).

Almost surely, 2^202404413021 is an apocalyptic number.

It is an amenable number.

202404413021 is a deficient number, since it is larger than the sum of its proper divisors (1306984099).

202404413021 is a wasteful number, since it uses less digits than its factorization.

202404413021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 202404413021 its reverse (120314404202), we get a palindrome (322718817223).

The spelling of 202404413021 in words is "two hundred two billion, four hundred four million, four hundred thirteen thousand, twenty-one".