20251230555313 has 8 divisors (see below), whose sum is σ = 20798617921280. Its totient is φ = 19703846179440.

The previous prime is 20251230555301. The next prime is 20251230555323. The reversal of 20251230555313 is 31355503215202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20251230555313 is a prime.

It is a super-2 number, since 2×20251230555313² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20251230555323) 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, 23274208 + ... + 24128638.

It is an arithmetic number, because the mean of its divisors is an integer number (2599827240160).

Almost surely, 2^{20251230555313} is an apocalyptic number.

It is an amenable number.

20251230555313 is a deficient number, since it is larger than the sum of its proper divisors (547387365967).

20251230555313 is an equidigital number, since it uses as much as digits as its factorization.

20251230555313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495047.

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 20251230555313 in words is "twenty trillion, two hundred fifty-one billion, two hundred thirty million, five hundred fifty-five thousand, three hundred thirteen".