301404020021 has 16 divisors (see below), whose sum is σ = 329690356800. Its totient is φ = 273852931968.

The previous prime is 301404019999. The next prime is 301404020041. The reversal of 301404020021 is 120020404103.

It is a cyclic number.

It is not a de Polignac number, because 301404020021 - 2²² = 301399825717 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 (301404020041) 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, 988490 + ... + 1256948.

It is an arithmetic number, because the mean of its divisors is an integer number (20605647300).

Almost surely, 2^301404020021 is an apocalyptic number.

It is an amenable number.

301404020021 is a deficient number, since it is larger than the sum of its proper divisors (28286336779).

301404020021 is a wasteful number, since it uses less digits than its factorization.

301404020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269828.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 301404020021 its reverse (120020404103), we get a palindrome (421424424124).

The spelling of 301404020021 in words is "three hundred one billion, four hundred four million, twenty thousand, twenty-one".