20061339394 has 8 divisors (see below), whose sum is σ = 30905306748. Its totient is φ = 9759570480.

The previous prime is 20061339341. The next prime is 20061339421. The reversal of 20061339394 is 49393316002.

It can be written as a sum of positive squares in 2 ways, for example, as 18296079169 + 1765260225 = 135263^2 + 42015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135549517 + ... + 135549664.

Almost surely, 2^20061339394 is an apocalyptic number.

20061339394 is a deficient number, since it is larger than the sum of its proper divisors (10843967354).

20061339394 is a wasteful number, since it uses less digits than its factorization.

20061339394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271099220.

The product of its (nonzero) digits is 104976, while the sum is 40.

The spelling of 20061339394 in words is "twenty billion, sixty-one million, three hundred thirty-nine thousand, three hundred ninety-four".