20003352000 has 224 divisors, whose sum is σ = 69529025280. Its totient is φ = 5053363200.

The previous prime is 20003351993. The next prime is 20003352007. The reversal of 20003352000 is 25330002.

It is an interprime number because it is at equal distance from previous prime (20003351993) and next prime (20003352007).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003352007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434067 + ... + 477933.

Almost surely, 2^20003352000 is an apocalyptic number.

20003352000 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 20003352000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34764512640).

20003352000 is an abundant number, since it is smaller than the sum of its proper divisors (49525673280).

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

20003352000 is a wasteful number, since it uses less digits than its factorization.

20003352000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43916 (or 43896 counting only the distinct ones).

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

Adding to 20003352000 its reverse (25330002), we get a palindrome (20028682002).

The spelling of 20003352000 in words is "twenty billion, three million, three hundred fifty-two thousand".