20127892 has 12 divisors (see below), whose sum is σ = 35441056. Its totient is φ = 10001880.

The previous prime is 20127883. The next prime is 20127893. The reversal of 20127892 is 29872102.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20127893) 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, 14784 + ... + 16087.

Almost surely, 2^20127892 is an apocalyptic number.

It is an amenable number.

20127892 is a deficient number, since it is larger than the sum of its proper divisors (15313164).

20127892 is a wasteful number, since it uses less digits than its factorization.

20127892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31038 (or 31036 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 20127892 is about 4486.4119293707. The cubic root of 20127892 is about 272.0191199074.

Adding to 20127892 its reverse (29872102), we get a palindrome (49999994).

The spelling of 20127892 in words is "twenty million, one hundred twenty-seven thousand, eight hundred ninety-two".