20868074134 has 16 divisors (see below), whose sum is σ = 31469570496. Its totient is φ = 10378304200.

The previous prime is 20868074081. The next prime is 20868074147. The reversal of 20868074134 is 43147086802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474249 + ... + 516379.

It is an arithmetic number, because the mean of its divisors is an integer number (1966848156).

Almost surely, 2^20868074134 is an apocalyptic number.

20868074134 is a deficient number, since it is larger than the sum of its proper divisors (10601496362).

20868074134 is a wasteful number, since it uses less digits than its factorization.

20868074134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43451.

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 20868074134 in words is "twenty billion, eight hundred sixty-eight million, seventy-four thousand, one hundred thirty-four".