20734160306 has 4 divisors (see below), whose sum is σ = 31101240462. Its totient is φ = 10367080152.

The previous prime is 20734160303. The next prime is 20734160339. The reversal of 20734160306 is 60306143702.

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

It can be written as a sum of positive squares in only one way, i.e., 17764891225 + 2969269081 = 133285^2 + 54491^2 .

It is not an unprimeable number, because it can be changed into a prime (20734160303) by changing a digit.

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 as a sum of consecutive naturals, namely, 5183540075 + ... + 5183540078.

Almost surely, 2^20734160306 is an apocalyptic number.

20734160306 is a deficient number, since it is larger than the sum of its proper divisors (10367080156).

20734160306 is a wasteful number, since it uses less digits than its factorization.

20734160306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10367080155.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 20734160306 in words is "twenty billion, seven hundred thirty-four million, one hundred sixty thousand, three hundred six".