20324121601 has 8 divisors (see below), whose sum is σ = 23277309120. Its totient is φ = 17383369488.

The previous prime is 20324121551. The next prime is 20324121611. The reversal of 20324121601 is 10612142302.

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 20324121601 - 2⁷ = 20324121473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20324121611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3105346 + ... + 3111883.

It is an arithmetic number, because the mean of its divisors is an integer number (2909663640).

Almost surely, 2^20324121601 is an apocalyptic number.

It is an amenable number.

20324121601 is a deficient number, since it is larger than the sum of its proper divisors (2953187519).

20324121601 is an equidigital number, since it uses as much as digits as its factorization.

20324121601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6217703.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20324121601 its reverse (10612142302), we get a palindrome (30936263903).

The spelling of 20324121601 in words is "twenty billion, three hundred twenty-four million, one hundred twenty-one thousand, six hundred one".