20255514313 has 4 divisors (see below), whose sum is σ = 20267740180. Its totient is φ = 20243288448.

The previous prime is 20255514311. The next prime is 20255514341. The reversal of 20255514313 is 31341555202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4528347849 + 15727166464 = 67293^2 + 125408^2 .

It is a cyclic number.

It is not a de Polignac number, because 20255514313 - 2¹ = 20255514311 is a prime.

It is a super-3 number, since 3×20255514313³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20255514311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6110448 + ... + 6113761.

It is an arithmetic number, because the mean of its divisors is an integer number (5066935045).

Almost surely, 2^20255514313 is an apocalyptic number.

It is an amenable number.

20255514313 is a deficient number, since it is larger than the sum of its proper divisors (12225867).

20255514313 is a wasteful number, since it uses less digits than its factorization.

20255514313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12225866.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 20255514313 in words is "twenty billion, two hundred fifty-five million, five hundred fourteen thousand, three hundred thirteen".