20004366665530 has 32 divisors (see below), whose sum is σ = 38779872179328. Its totient is φ = 7385813064000.

The previous prime is 20004366665527. The next prime is 20004366665603. The reversal of 20004366665530 is 3556666340002.

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, 1989486 + ... + 6630745.

It is an arithmetic number, because the mean of its divisors is an integer number (1211871005604).

Almost surely, 2^{20004366665530} is an apocalyptic number.

20004366665530 is a deficient number, since it is larger than the sum of its proper divisors (18775505513798).

20004366665530 is a wasteful number, since it uses less digits than its factorization.

20004366665530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8638102.

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 20004366665530 in words is "twenty trillion, four billion, three hundred sixty-six million, six hundred sixty-five thousand, five hundred thirty".