20352801600 has 252 divisors, whose sum is σ = 73258436160. Its totient is φ = 5358412800.

The previous prime is 20352801583. The next prime is 20352801607. The reversal of 20352801600 is 610825302.

20352801600 is a `hidden beast` number, since 2 + 0 + 3 + 52 + 8 + 0 + 1 + 600 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352801607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1128655 + ... + 1146545.

It is an arithmetic number, because the mean of its divisors is an integer number (290708080).

Almost surely, 2^20352801600 is an apocalyptic number.

20352801600 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 20352801600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36629218080).

20352801600 is an abundant number, since it is smaller than the sum of its proper divisors (52905634560).

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

20352801600 is a wasteful number, since it uses less digits than its factorization.

20352801600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17998 (or 17980 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 20352801600 in words is "twenty billion, three hundred fifty-two million, eight hundred one thousand, six hundred".