20002218202 has 16 divisors (see below), whose sum is σ = 30072117312. Its totient is φ = 9978202080.

The previous prime is 20002218163. The next prime is 20002218209. The reversal of 20002218202 is 20281220002.

It is a super-2 number, since 2×20002218202² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20002218202.

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, 2195677 + ... + 2204767.

It is an arithmetic number, because the mean of its divisors is an integer number (1879507332).

Almost surely, 2^20002218202 is an apocalyptic number.

20002218202 is a deficient number, since it is larger than the sum of its proper divisors (10069899110).

20002218202 is a wasteful number, since it uses less digits than its factorization.

20002218202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11493.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20002218202 its reverse (20281220002), we get a palindrome (40283438204).

The spelling of 20002218202 in words is "twenty billion, two million, two hundred eighteen thousand, two hundred two".