20186127472 has 20 divisors (see below), whose sum is σ = 44697853936. Its totient is φ = 8651197440.

The previous prime is 20186127463. The next prime is 20186127487. The reversal of 20186127472 is 27472168102.

It is a super-2 number, since 2×20186127472² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 90116529 + ... + 90116752.

Almost surely, 2^20186127472 is an apocalyptic number.

It is an amenable number.

20186127472 is an abundant number, since it is smaller than the sum of its proper divisors (24511726464).

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

20186127472 is a wasteful number, since it uses less digits than its factorization.

20186127472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180233296 (or 180233290 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 20186127472 in words is "twenty billion, one hundred eighty-six million, one hundred twenty-seven thousand, four hundred seventy-two".