20339036734 has 4 divisors (see below), whose sum is σ = 30508555104. Its totient is φ = 10169518366.

The previous prime is 20339036659. The next prime is 20339036741. The reversal of 20339036734 is 43763093302.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 5084759182 + ... + 5084759185.

It is an arithmetic number, because the mean of its divisors is an integer number (7627138776).

Almost surely, 2^20339036734 is an apocalyptic number.

20339036734 is a deficient number, since it is larger than the sum of its proper divisors (10169518370).

20339036734 is a wasteful number, since it uses less digits than its factorization.

20339036734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10169518369.

The product of its (nonzero) digits is 244944, while the sum is 40.

The spelling of 20339036734 in words is "twenty billion, three hundred thirty-nine million, thirty-six thousand, seven hundred thirty-four".