20052134300 has 72 divisors (see below), whose sum is σ = 47495033040. Its totient is φ = 7287667200.

The previous prime is 20052134299. The next prime is 20052134309. The reversal of 20052134300 is 343125002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20052134309) 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 23 ways as a sum of consecutive naturals, for example, 2610866 + ... + 2618534.

Almost surely, 2^20052134300 is an apocalyptic number.

20052134300 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 20052134300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23747516520).

20052134300 is an abundant number, since it is smaller than the sum of its proper divisors (27442898740).

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

20052134300 is a wasteful number, since it uses less digits than its factorization.

20052134300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10071 (or 10064 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 20052134300 its reverse (343125002), we get a palindrome (20395259302).

The spelling of 20052134300 in words is "twenty billion, fifty-two million, one hundred thirty-four thousand, three hundred".