20442053058047 has 4 divisors (see below), whose sum is σ = 20442226043400. Its totient is φ = 20441880072696.

The previous prime is 20442053058017. The next prime is 20442053058067. The reversal of 20442053058047 is 74085035024402.

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 20442053058047 - 2⁶ = 20442053057983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20442053057989 and 20442053058007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20442053058017) 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, 86315297 + ... + 86551802.

It is an arithmetic number, because the mean of its divisors is an integer number (5110556510850).

Almost surely, 2^{20442053058047} is an apocalyptic number.

20442053058047 is a deficient number, since it is larger than the sum of its proper divisors (172985353).

20442053058047 is a wasteful number, since it uses less digits than its factorization.

20442053058047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172985352.

The product of its (nonzero) digits is 1075200, while the sum is 44.

The spelling of 20442053058047 in words is "twenty trillion, four hundred forty-two billion, fifty-three million, fifty-eight thousand, forty-seven".