20204866604486 has 16 divisors (see below), whose sum is σ = 30725246397600. Its totient is φ = 9963142832448.

The previous prime is 20204866604389. The next prime is 20204866604501. The reversal of 20204866604486 is 68440666840202.

It is a Curzon number.

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, 4635146 + ... + 7867293.

It is an arithmetic number, because the mean of its divisors is an integer number (1920327899850).

Almost surely, 2^{20204866604486} is an apocalyptic number.

20204866604486 is a deficient number, since it is larger than the sum of its proper divisors (10520379793114).

20204866604486 is a wasteful number, since it uses less digits than its factorization.

20204866604486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12513583.

The product of its (nonzero) digits is 21233664, while the sum is 56.

The spelling of 20204866604486 in words is "twenty trillion, two hundred four billion, eight hundred sixty-six million, six hundred four thousand, four hundred eighty-six".