20344323055 has 32 divisors (see below), whose sum is σ = 30646195200. Its totient is φ = 12641536512.

The previous prime is 20344323047. The next prime is 20344323089. The reversal of 20344323055 is 55032344302.

It is a cyclic number.

It is not a de Polignac number, because 20344323055 - 2³ = 20344323047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 649770 + ... + 680359.

It is an arithmetic number, because the mean of its divisors is an integer number (957693600).

Almost surely, 2^20344323055 is an apocalyptic number.

20344323055 is a deficient number, since it is larger than the sum of its proper divisors (10301872145).

20344323055 is a wasteful number, since it uses less digits than its factorization.

20344323055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330183.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 20344323055 its reverse (55032344302), we get a palindrome (75376667357).

The spelling of 20344323055 in words is "twenty billion, three hundred forty-four million, three hundred twenty-three thousand, fifty-five".