20310043204421 has 8 divisors (see below), whose sum is σ = 20401581585600. Its totient is φ = 20218696930432.

The previous prime is 20310043204393. The next prime is 20310043204427. The reversal of 20310043204421 is 12440234001302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20310043204421 - 2⁶ = 20310043204357 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 (20310043204427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47814875 + ... + 48237768.

It is an arithmetic number, because the mean of its divisors is an integer number (2550197698200).

Almost surely, 2^{20310043204421} is an apocalyptic number.

It is an amenable number.

20310043204421 is a deficient number, since it is larger than the sum of its proper divisors (91538381179).

20310043204421 is an equidigital number, since it uses as much as digits as its factorization.

20310043204421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96053595.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20310043204421 its reverse (12440234001302), we get a palindrome (32750277205723).

The spelling of 20310043204421 in words is "twenty trillion, three hundred ten billion, forty-three million, two hundred four thousand, four hundred twenty-one".