20134402112 has 56 divisors (see below), whose sum is σ = 45089429760. Its totient is φ = 8836405760.

The previous prime is 20134402097. The next prime is 20134402121. The reversal of 20134402112 is 21120443102.

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, 472688 + ... + 513519.

Almost surely, 2^20134402112 is an apocalyptic number.

20134402112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20134402112 is an abundant number, since it is smaller than the sum of its proper divisors (24955027648).

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

20134402112 is a wasteful number, since it uses less digits than its factorization.

20134402112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986259 (or 986249 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20134402112 its reverse (21120443102), we get a palindrome (41254845214).

The spelling of 20134402112 in words is "twenty billion, one hundred thirty-four million, four hundred two thousand, one hundred twelve".