20035003200 has 168 divisors, whose sum is σ = 69598348992. Its totient is φ = 5028372480.

The previous prime is 20035003189. The next prime is 20035003229. The reversal of 20035003200 is 230053002.

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 20035003200.

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, 41164 + ... + 204363.

Almost surely, 2^20035003200 is an apocalyptic number.

20035003200 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 20035003200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34799174496).

20035003200 is an abundant number, since it is smaller than the sum of its proper divisors (49563345792).

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

20035003200 is a wasteful number, since it uses less digits than its factorization.

20035003200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245569 (or 245554 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

Adding to 20035003200 its reverse (230053002), we get a palindrome (20265056202).

The spelling of 20035003200 in words is "twenty billion, thirty-five million, three thousand, two hundred".