20112042134 has 16 divisors (see below), whose sum is σ = 31962545568. Its totient is φ = 9458596992.

The previous prime is 20112042101. The next prime is 20112042161. The reversal of 20112042134 is 43124021102.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 128522 + ... + 238205.

It is an arithmetic number, because the mean of its divisors is an integer number (1997659098).

Almost surely, 2^20112042134 is an apocalyptic number.

20112042134 is a deficient number, since it is larger than the sum of its proper divisors (11850503434).

20112042134 is a wasteful number, since it uses less digits than its factorization.

20112042134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368359.

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

Adding to 20112042134 its reverse (43124021102), we get a palindrome (63236063236).

The spelling of 20112042134 in words is "twenty billion, one hundred twelve million, forty-two thousand, one hundred thirty-four".