20127669248 has 44 divisors (see below), whose sum is σ = 42602524272. Its totient is φ = 9471836160.

The previous prime is 20127669239. The next prime is 20127669259. The reversal of 20127669248 is 84296672102.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560708 + ... + 595523.

It is an arithmetic number, because the mean of its divisors is an integer number (968239188).

Almost surely, 2^20127669248 is an apocalyptic number.

It is an amenable number.

20127669248 is an abundant number, since it is smaller than the sum of its proper divisors (22474855024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20127669248 is a wasteful number, since it uses less digits than its factorization.

20127669248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156268 (or 1156250 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 20127669248 in words is "twenty billion, one hundred twenty-seven million, six hundred sixty-nine thousand, two hundred forty-eight".