20003630223067 has 4 divisors (see below), whose sum is σ = 20244637816200. Its totient is φ = 19762622629936.

The previous prime is 20003630223041. The next prime is 20003630223077. The reversal of 20003630223067 is 76032203630002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20003630223067 - 2⁴³ = 11207537200859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003630223077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120503796442 + ... + 120503796607.

It is an arithmetic number, because the mean of its divisors is an integer number (5061159454050).

Almost surely, 2^{20003630223067} is an apocalyptic number.

20003630223067 is a deficient number, since it is larger than the sum of its proper divisors (241007593133).

20003630223067 is an equidigital number, since it uses as much as digits as its factorization.

20003630223067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241007593132.

The product of its (nonzero) digits is 54432, while the sum is 34.

Adding to 20003630223067 its reverse (76032203630002), we get a palindrome (96035833853069).

The spelling of 20003630223067 in words is "twenty trillion, three billion, six hundred thirty million, two hundred twenty-three thousand, sixty-seven".