20424002200 has 48 divisors (see below), whose sum is σ = 54269495280. Its totient is φ = 7002514560.

The previous prime is 20424002191. The next prime is 20424002227. The reversal of 20424002200 is 220042402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7292887 + ... + 7295686.

It is an arithmetic number, because the mean of its divisors is an integer number (1130614485).

Almost surely, 2^20424002200 is an apocalyptic number.

20424002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20424002200 is an abundant number, since it is smaller than the sum of its proper divisors (33845493080).

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

20424002200 is a wasteful number, since it uses less digits than its factorization.

20424002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14588596 (or 14588587 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20424002200 its reverse (220042402), we get a palindrome (20644044602).

The spelling of 20424002200 in words is "twenty billion, four hundred twenty-four million, two thousand, two hundred".