20323460665430 has 16 divisors (see below), whose sum is σ = 39396246828624. Its totient is φ = 7504047014880.

The previous prime is 20323460665429. The next prime is 20323460665439. The reversal of 20323460665430 is 3456606432302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323460665439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78167156276 + ... + 78167156535.

It is an arithmetic number, because the mean of its divisors is an integer number (2462265426789).

Almost surely, 2^{20323460665430} is an apocalyptic number.

20323460665430 is a deficient number, since it is larger than the sum of its proper divisors (19072786163194).

20323460665430 is a wasteful number, since it uses less digits than its factorization.

20323460665430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156334312831.

The product of its (nonzero) digits is 1866240, while the sum is 44.

The spelling of 20323460665430 in words is "twenty trillion, three hundred twenty-three billion, four hundred sixty million, six hundred sixty-five thousand, four hundred thirty".