304042024020021 has 64 divisors (see below), whose sum is σ = 471128856109056. Its totient is φ = 170817432710400.

The previous prime is 304042024019953. The next prime is 304042024020109. The reversal of 304042024020021 is 120020420240403.

It is not a de Polignac number, because 304042024020021 - 2⁹ = 304042024019509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 304042024019973 and 304042024020000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304042024020421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 856054551 + ... + 856409643.

It is an arithmetic number, because the mean of its divisors is an integer number (7361388376704).

Almost surely, 2^{304042024020021} is an apocalyptic number.

It is an amenable number.

304042024020021 is a deficient number, since it is larger than the sum of its proper divisors (167086832089035).

304042024020021 is a wasteful number, since it uses less digits than its factorization.

304042024020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356762.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 304042024020021 its reverse (120020420240403), we get a palindrome (424062444260424).

The spelling of 304042024020021 in words is "three hundred four trillion, forty-two billion, twenty-four million, twenty thousand, twenty-one".