20366746304 has 56 divisors (see below), whose sum is σ = 42744542400. Its totient is φ = 9601562880.

The previous prime is 20366746289. The next prime is 20366746331. The reversal of 20366746304 is 40364766302.

It is a super-2 number, since 2×20366746304² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216887 + ... + 296265.

It is an arithmetic number, because the mean of its divisors is an integer number (763295400).

Almost surely, 2^20366746304 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 20366746304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21372271200).

20366746304 is an abundant number, since it is smaller than the sum of its proper divisors (22377796096).

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

20366746304 is a wasteful number, since it uses less digits than its factorization.

20366746304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79621 (or 79611 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 41.

The spelling of 20366746304 in words is "twenty billion, three hundred sixty-six million, seven hundred forty-six thousand, three hundred four".