20134334500 has 48 divisors (see below), whose sum is σ = 50255307648. Its totient is φ = 6903199200.

The previous prime is 20134334461. The next prime is 20134334501. The reversal of 20134334500 is 543343102.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (20134334501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2872834 + ... + 2879833.

It is an arithmetic number, because the mean of its divisors is an integer number (1046985576).

Almost surely, 2^20134334500 is an apocalyptic number.

20134334500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20134334500 is an abundant number, since it is smaller than the sum of its proper divisors (30120973148).

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

20134334500 is a wasteful number, since it uses less digits than its factorization.

20134334500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752693 (or 5752681 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20134334500 its reverse (543343102), we get a palindrome (20677677602).

The spelling of 20134334500 in words is "twenty billion, one hundred thirty-four million, three hundred thirty-four thousand, five hundred".