20176142327 has 4 divisors (see below), whose sum is σ = 22010337096. Its totient is φ = 18341947560.

The previous prime is 20176142297. The next prime is 20176142347. The reversal of 20176142327 is 72324167102.

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

It is a cyclic number.

It is not a de Polignac number, because 20176142327 - 2³² = 15881175031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20176142347) 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, 917097368 + ... + 917097389.

It is an arithmetic number, because the mean of its divisors is an integer number (5502584274).

Almost surely, 2^20176142327 is an apocalyptic number.

20176142327 is a deficient number, since it is larger than the sum of its proper divisors (1834194769).

20176142327 is a wasteful number, since it uses less digits than its factorization.

20176142327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834194768.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 20176142327 in words is "twenty billion, one hundred seventy-six million, one hundred forty-two thousand, three hundred twenty-seven".