20002218203 has 8 divisors (see below), whose sum is σ = 22769323776. Its totient is φ = 17393233000.

The previous prime is 20002218163. The next prime is 20002218209. The reversal of 20002218203 is 30281220002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-20002218203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002218209) 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, 39529823 + ... + 39530328.

It is an arithmetic number, because the mean of its divisors is an integer number (2846165472).

Almost surely, 2^20002218203 is an apocalyptic number.

20002218203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20002218203 is a deficient number, since it is larger than the sum of its proper divisors (2767105573).

20002218203 is a wasteful number, since it uses less digits than its factorization.

20002218203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79060185.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20002218203 its reverse (30281220002), we get a palindrome (50283438205).

The spelling of 20002218203 in words is "twenty billion, two million, two hundred eighteen thousand, two hundred three".