20258486627 has 4 divisors (see below), whose sum is σ = 20258781840. Its totient is φ = 20258191416.

The previous prime is 20258486621. The next prime is 20258486669. The reversal of 20258486627 is 72668485202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20258486627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20258486621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15149 + ... + 201857.

It is an arithmetic number, because the mean of its divisors is an integer number (5064695460).

Almost surely, 2^20258486627 is an apocalyptic number.

20258486627 is a deficient number, since it is larger than the sum of its proper divisors (295213).

20258486627 is a wasteful number, since it uses less digits than its factorization.

20258486627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295212.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 20258486627 in words is "twenty billion, two hundred fifty-eight million, four hundred eighty-six thousand, six hundred twenty-seven".