20144959079 has 8 divisors (see below), whose sum is σ = 23025671328. Its totient is φ = 17264962080.

The previous prime is 20144959031. The next prime is 20144959099. The reversal of 20144959079 is 97095944102.

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

It is a cyclic number.

It is not a de Polignac number, because 20144959079 - 2²⁴ = 20128181863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144959099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117032 + ... + 232349.

It is an arithmetic number, because the mean of its divisors is an integer number (2878208916).

Almost surely, 2^20144959079 is an apocalyptic number.

20144959079 is a deficient number, since it is larger than the sum of its proper divisors (2880712249).

20144959079 is an equidigital number, since it uses as much as digits as its factorization.

20144959079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357625.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 20144959079 in words is "twenty billion, one hundred forty-four million, nine hundred fifty-nine thousand, seventy-nine".