20605160442 has 8 divisors (see below), whose sum is σ = 41210320896. Its totient is φ = 6868386812.

The previous prime is 20605160423. The next prime is 20605160453. The reversal of 20605160442 is 24406150602.

It is a sphenic number, since it is the product of 3 distinct primes.

20605160442 is an admirable 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, 1717096698 + ... + 1717096709.

It is an arithmetic number, because the mean of its divisors is an integer number (5151290112).

Almost surely, 2^20605160442 is an apocalyptic number.

20605160442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20605160442 is a wasteful number, since it uses less digits than its factorization.

20605160442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434193412.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 20605160442 in words is "twenty billion, six hundred five million, one hundred sixty thousand, four hundred forty-two".