20014663296 has 128 divisors (see below), whose sum is σ = 55996531200. Its totient is φ = 6321548288.

The previous prime is 20014663271. The next prime is 20014663313. The reversal of 20014663296 is 69236641002.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 934435 + ... + 955613.

It is an arithmetic number, because the mean of its divisors is an integer number (437472900).

Almost surely, 2^20014663296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20014663296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27998265600).

20014663296 is an abundant number, since it is smaller than the sum of its proper divisors (35981867904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20014663296 is a wasteful number, since it uses less digits than its factorization.

20014663296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21326 (or 21314 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 20014663296 in words is "twenty billion, fourteen million, six hundred sixty-three thousand, two hundred ninety-six".