302020144421 has 12 divisors (see below), whose sum is σ = 320169215520. Its totient is φ = 284819941560.

The previous prime is 302020144411. The next prime is 302020144429. The reversal of 302020144421 is 124441020203.

It is not a de Polignac number, because 302020144421 - 2²⁶ = 301953035557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302020144429) 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 11 ways as a sum of consecutive naturals, for example, 3983051 + ... + 4058168.

It is an arithmetic number, because the mean of its divisors is an integer number (26680767960).

Almost surely, 2^302020144421 is an apocalyptic number.

It is an amenable number.

302020144421 is a deficient number, since it is larger than the sum of its proper divisors (18149071099).

302020144421 is an equidigital number, since it uses as much as digits as its factorization.

302020144421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8041336 (or 8041313 counting only the distinct ones).

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

Adding to 302020144421 its reverse (124441020203), we get a palindrome (426461164624).

The spelling of 302020144421 in words is "three hundred two billion, twenty million, one hundred forty-four thousand, four hundred twenty-one".