20134334544 has 40 divisors (see below), whose sum is σ = 52054397472. Its totient is φ = 6706193280.

The previous prime is 20134334503. The next prime is 20134334551. The reversal of 20134334544 is 44543343102.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 101887 + ... + 225054.

Almost surely, 2^20134334544 is an apocalyptic number.

20134334544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20134334544 is an abundant number, since it is smaller than the sum of its proper divisors (31920062928).

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

20134334544 is a wasteful number, since it uses less digits than its factorization.

20134334544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328235 (or 328229 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 20134334544 its reverse (44543343102), we get a palindrome (64677677646).

The spelling of 20134334544 in words is "twenty billion, one hundred thirty-four million, three hundred thirty-four thousand, five hundred forty-four".