20329161015 has 16 divisors (see below), whose sum is σ = 32533525728. Its totient is φ = 10839929856.

The previous prime is 20329161007. The next prime is 20329161019. The reversal of 20329161015 is 51016192302.

It is not a de Polignac number, because 20329161015 - 2³ = 20329161007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20329161019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68422 + ... + 212931.

It is an arithmetic number, because the mean of its divisors is an integer number (2033345358).

Almost surely, 2^20329161015 is an apocalyptic number.

20329161015 is a deficient number, since it is larger than the sum of its proper divisors (12204364713).

20329161015 is a wasteful number, since it uses less digits than its factorization.

20329161015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286178.

The product of its (nonzero) digits is 3240, while the sum is 30.

The spelling of 20329161015 in words is "twenty billion, three hundred twenty-nine million, one hundred sixty-one thousand, fifteen".