20313301345621 has 8 divisors (see below), whose sum is σ = 21200362827264. Its totient is φ = 19426562736240.

The previous prime is 20313301345619. The next prime is 20313301345651. The reversal of 20313301345621 is 12654310331302.

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 20313301345621 - 2¹ = 20313301345619 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 (20313301345651) 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, 80589486 + ... + 80841151.

It is an arithmetic number, because the mean of its divisors is an integer number (2650045353408).

Almost surely, 2^{20313301345621} is an apocalyptic number.

It is an amenable number.

20313301345621 is a deficient number, since it is larger than the sum of its proper divisors (887061481643).

20313301345621 is a wasteful number, since it uses less digits than its factorization.

20313301345621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161436131.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 20313301345621 its reverse (12654310331302), we get a palindrome (32967611676923).

The spelling of 20313301345621 in words is "twenty trillion, three hundred thirteen billion, three hundred one million, three hundred forty-five thousand, six hundred twenty-one".