20016479685304 has 32 divisors (see below), whose sum is σ = 39166185532320. Its totient is φ = 9572241496576.

The previous prime is 20016479685259. The next prime is 20016479685329. The reversal of 20016479685304 is 40358697461002.

It is a super-3 number, since 3×20016479685304³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2809909 + ... + 6923044.

It is an arithmetic number, because the mean of its divisors is an integer number (1223943297885).

It is a 1-persistent number, because it is pandigital, but 2⋅20016479685304 = 40032959370608 is not.

Almost surely, 2^{20016479685304} is an apocalyptic number.

It is an amenable number.

20016479685304 is a deficient number, since it is larger than the sum of its proper divisors (19149705847016).

20016479685304 is a wasteful number, since it uses less digits than its factorization.

20016479685304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9744159 (or 9744155 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 20016479685304 in words is "twenty trillion, sixteen billion, four hundred seventy-nine million, six hundred eighty-five thousand, three hundred four".