20312044255 has 8 divisors (see below), whose sum is σ = 24461196624. Its totient is φ = 16191806400.

The previous prime is 20312044237. The next prime is 20312044267. The reversal of 20312044255 is 55244021302.

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

It is not a de Polignac number, because 20312044255 - 2⁷ = 20312044127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7227081 + ... + 7229890.

It is an arithmetic number, because the mean of its divisors is an integer number (3057649578).

Almost surely, 2^20312044255 is an apocalyptic number.

20312044255 is a deficient number, since it is larger than the sum of its proper divisors (4149152369).

20312044255 is a wasteful number, since it uses less digits than its factorization.

20312044255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14457257.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 20312044255 its reverse (55244021302), we get a palindrome (75556065557).

The spelling of 20312044255 in words is "twenty billion, three hundred twelve million, forty-four thousand, two hundred fifty-five".