20344315453364 has 48 divisors (see below), whose sum is σ = 40800082753920. Its totient is φ = 8695124444160.

The previous prime is 20344315453331. The next prime is 20344315453369. The reversal of 20344315453364 is 46335451344302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344315453369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33214844 + ... + 33821804.

It is an arithmetic number, because the mean of its divisors is an integer number (850001724040).

Almost surely, 2^{20344315453364} is an apocalyptic number.

It is an amenable number.

20344315453364 is an abundant number, since it is smaller than the sum of its proper divisors (20455767300556).

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

20344315453364 is a wasteful number, since it uses less digits than its factorization.

20344315453364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610248 (or 610246 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 47.

Adding to 20344315453364 its reverse (46335451344302), we get a palindrome (66679766797666).

The spelling of 20344315453364 in words is "twenty trillion, three hundred forty-four billion, three hundred fifteen million, four hundred fifty-three thousand, three hundred sixty-four".