20315624300121 has 8 divisors (see below), whose sum is σ = 27114344956960. Its totient is φ = 13530326588352.

The previous prime is 20315624300107. The next prime is 20315624300141. The reversal of 20315624300121 is 12100342651302.

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

It is not a de Polignac number, because 20315624300121 - 2²⁶ = 20315557191257 is a prime.

It is a super-2 number, since 2×20315624300121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20315624300141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355732735 + ... + 3355738788.

It is an arithmetic number, because the mean of its divisors is an integer number (3389293119620).

Almost surely, 2^{20315624300121} is an apocalyptic number.

It is an amenable number.

20315624300121 is a deficient number, since it is larger than the sum of its proper divisors (6798720656839).

20315624300121 is a wasteful number, since it uses less digits than its factorization.

20315624300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6711472535.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 20315624300121 its reverse (12100342651302), we get a palindrome (32415966951423).

The spelling of 20315624300121 in words is "twenty trillion, three hundred fifteen billion, six hundred twenty-four million, three hundred thousand, one hundred twenty-one".