20110013439 has 8 divisors (see below), whose sum is σ = 28390607280. Its totient is φ = 12618047616.

The previous prime is 20110013437. The next prime is 20110013479. The reversal of 20110013439 is 93431001102.

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

It is not a de Polignac number, because 20110013439 - 2¹ = 20110013437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110013437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197156944 + ... + 197157045.

It is an arithmetic number, because the mean of its divisors is an integer number (3548825910).

Almost surely, 2^20110013439 is an apocalyptic number.

20110013439 is a deficient number, since it is larger than the sum of its proper divisors (8280593841).

20110013439 is a wasteful number, since it uses less digits than its factorization.

20110013439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394314009.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 20110013439 in words is "twenty billion, one hundred ten million, thirteen thousand, four hundred thirty-nine".