20094005434 has 16 divisors (see below), whose sum is σ = 30761589672. Its totient is φ = 9840782848.

The previous prime is 20094005359. The next prime is 20094005467. The reversal of 20094005434 is 43450049002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19964842209 + 129163225 = 141297^2 + 11365^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20094005396 and 20094005405.

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, 96979 + ... + 222694.

Almost surely, 2^20094005434 is an apocalyptic number.

20094005434 is a deficient number, since it is larger than the sum of its proper divisors (10667584238).

20094005434 is a wasteful number, since it uses less digits than its factorization.

20094005434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320321.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 20094005434 in words is "twenty billion, ninety-four million, five thousand, four hundred thirty-four".