20442315039 has 8 divisors (see below), whose sum is σ = 27260157312. Its totient is φ = 13626341400.

The previous prime is 20442315017. The next prime is 20442315043. The reversal of 20442315039 is 93051324402.

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

It is not a de Polignac number, because 20442315039 - 2⁵ = 20442315007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20442315139) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 441429 + ... + 485534.

It is an arithmetic number, because the mean of its divisors is an integer number (3407519664).

Almost surely, 2^20442315039 is an apocalyptic number.

20442315039 is a deficient number, since it is larger than the sum of its proper divisors (6817842273).

20442315039 is an equidigital number, since it uses as much as digits as its factorization.

20442315039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934317.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 20442315039 in words is "twenty billion, four hundred forty-two million, three hundred fifteen thousand, thirty-nine".