20663040362330 has 64 divisors (see below), whose sum is σ = 39475887010560. Its totient is φ = 7760365593600.

The previous prime is 20663040362329. The next prime is 20663040362407. The reversal of 20663040362330 is 3326304036602.

It is a super-2 number, since 2×20663040362330² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151263860 + ... + 151400400.

It is an arithmetic number, because the mean of its divisors is an integer number (616810734540).

Almost surely, 2^{20663040362330} is an apocalyptic number.

20663040362330 is a deficient number, since it is larger than the sum of its proper divisors (18812846648230).

20663040362330 is a wasteful number, since it uses less digits than its factorization.

20663040362330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138695.

The product of its (nonzero) digits is 279936, while the sum is 38.

Adding to 20663040362330 its reverse (3326304036602), we get a palindrome (23989344398932).

The spelling of 20663040362330 in words is "twenty trillion, six hundred sixty-three billion, forty million, three hundred sixty-two thousand, three hundred thirty".