20076188929 has 4 divisors (see below), whose sum is σ = 20105243440. Its totient is φ = 20047134420.

The previous prime is 20076188921. The next prime is 20076188971. The reversal of 20076188929 is 92988167002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92988167002 = 2 ⋅46494083501.

It is a cyclic number.

It is not a de Polignac number, because 20076188929 - 2³ = 20076188921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20076188921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14526219 + ... + 14527600.

It is an arithmetic number, because the mean of its divisors is an integer number (5026310860).

Almost surely, 2^20076188929 is an apocalyptic number.

It is an amenable number.

20076188929 is a deficient number, since it is larger than the sum of its proper divisors (29054511).

20076188929 is an equidigital number, since it uses as much as digits as its factorization.

20076188929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29054510.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 20076188929 in words is "twenty billion, seventy-six million, one hundred eighty-eight thousand, nine hundred twenty-nine".