20061178434 has 48 divisors (see below), whose sum is σ = 47432623680. Its totient is φ = 6077184480.

The previous prime is 20061178373. The next prime is 20061178441. The reversal of 20061178434 is 43487116002.

20061178434 is a `hidden beast` number, since 2 + 0 + 0 + 611 + 7 + 8 + 4 + 34 = 666.

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 23 ways as a sum of consecutive naturals, for example, 672259 + ... + 701465.

It is an arithmetic number, because the mean of its divisors is an integer number (988179660).

Almost surely, 2^20061178434 is an apocalyptic number.

20061178434 is an abundant number, since it is smaller than the sum of its proper divisors (27371445246).

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

20061178434 is a wasteful number, since it uses less digits than its factorization.

20061178434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32695 (or 32692 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 20061178434 in words is "twenty billion, sixty-one million, one hundred seventy-eight thousand, four hundred thirty-four".