20321241441420 has 96 divisors (see below), whose sum is σ = 58648266468288. Its totient is φ = 5253503726592.

The previous prime is 20321241441379. The next prime is 20321241441433. The reversal of 20321241441420 is 2414414212302.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 15908007 + ... + 17137886.

It is an arithmetic number, because the mean of its divisors is an integer number (610919442378).

Almost surely, 2^{20321241441420} is an apocalyptic number.

20321241441420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20321241441420 is an abundant number, since it is smaller than the sum of its proper divisors (38327025026868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20321241441420 is a wasteful number, since it uses less digits than its factorization.

20321241441420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33046219 (or 33046217 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 20321241441420 its reverse (2414414212302), we get a palindrome (22735655653722).

The spelling of 20321241441420 in words is "twenty trillion, three hundred twenty-one billion, two hundred forty-one million, four hundred forty-one thousand, four hundred twenty".