20671427614 has 4 divisors (see below), whose sum is σ = 31007141424. Its totient is φ = 10335713806.

The previous prime is 20671427611. The next prime is 20671427641. The reversal of 20671427614 is 41672417602.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20671427611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5167856902 + ... + 5167856905.

It is an arithmetic number, because the mean of its divisors is an integer number (7751785356).

Almost surely, 2^20671427614 is an apocalyptic number.

20671427614 is a deficient number, since it is larger than the sum of its proper divisors (10335713810).

20671427614 is a wasteful number, since it uses less digits than its factorization.

20671427614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10335713809.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 20671427614 in words is "twenty billion, six hundred seventy-one million, four hundred twenty-seven thousand, six hundred fourteen".