20003630223066 has 64 divisors (see below), whose sum is σ = 46831727179776. Its totient is φ = 5576940331200.

The previous prime is 20003630223041. The next prime is 20003630223077. The reversal of 20003630223066 is 66032203630002.

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, 3580270 + ... + 7268121.

It is an arithmetic number, because the mean of its divisors is an integer number (731745737184).

Almost surely, 2^{20003630223066} is an apocalyptic number.

20003630223066 is an abundant number, since it is smaller than the sum of its proper divisors (26828096956710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20003630223066 is a wasteful number, since it uses less digits than its factorization.

20003630223066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10849467.

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 20003630223066 its reverse (66032203630002), we get a palindrome (86035833853068).

The spelling of 20003630223066 in words is "twenty trillion, three billion, six hundred thirty million, two hundred twenty-three thousand, sixty-six".