20602003200 has 216 divisors, whose sum is σ = 68518281216. Its totient is φ = 5451264000.

The previous prime is 20602003193. The next prime is 20602003211. The reversal of 20602003200 is 230020602.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20602003200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2511105 + ... + 2519295.

Almost surely, 2^20602003200 is an apocalyptic number.

20602003200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20602003200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34259140608).

20602003200 is an abundant number, since it is smaller than the sum of its proper divisors (47916278016).

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

20602003200 is a wasteful number, since it uses less digits than its factorization.

20602003200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8351 (or 8332 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20602003200 its reverse (230020602), we get a palindrome (20832023802).

The spelling of 20602003200 in words is "twenty billion, six hundred two million, three thousand, two hundred".