20442408148483 has 4 divisors (see below), whose sum is σ = 20442422836528. Its totient is φ = 20442393460440.

The previous prime is 20442408148457. The next prime is 20442408148493. The reversal of 20442408148483 is 38484180424402.

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 20442408148483 - 2⁹ = 20442408147971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20442408148483.

It is not an unprimeable number, because it can be changed into a prime (20442408148493) 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, 5008863 + ... + 8122408.

It is an arithmetic number, because the mean of its divisors is an integer number (5110605709132).

Almost surely, 2^{20442408148483} is an apocalyptic number.

20442408148483 is a deficient number, since it is larger than the sum of its proper divisors (14688045).

20442408148483 is a wasteful number, since it uses less digits than its factorization.

20442408148483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14688044.

The product of its (nonzero) digits is 6291456, while the sum is 52.

The spelling of 20442408148483 in words is "twenty trillion, four hundred forty-two billion, four hundred eight million, one hundred forty-eight thousand, four hundred eighty-three".