20304641366 has 16 divisors (see below), whose sum is σ = 31178045184. Its totient is φ = 9912153384.

The previous prime is 20304641341. The next prime is 20304641377. The reversal of 20304641366 is 66314640302.

It is a super-2 number, since 2×20304641366² (a number of 21 digits) contains 22 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, 168095 + ... + 262421.

It is an arithmetic number, because the mean of its divisors is an integer number (1948627824).

Almost surely, 2^20304641366 is an apocalyptic number.

20304641366 is a deficient number, since it is larger than the sum of its proper divisors (10873403818).

20304641366 is a wasteful number, since it uses less digits than its factorization.

20304641366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96875.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 20304641366 in words is "twenty billion, three hundred four million, six hundred forty-one thousand, three hundred sixty-six".