20734706027 has 16 divisors (see below), whose sum is σ = 24537297600. Its totient is φ = 17143405440.

The previous prime is 20734706009. The next prime is 20734706059. The reversal of 20734706027 is 72060743702.

It is not a de Polignac number, because 20734706027 - 2¹⁴ = 20734689643 is a prime.

It is a super-2 number, since 2×20734706027² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20734706077) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 167249 + ... + 263517.

It is an arithmetic number, because the mean of its divisors is an integer number (1533581100).

Almost surely, 2^20734706027 is an apocalyptic number.

20734706027 is a deficient number, since it is larger than the sum of its proper divisors (3802591573).

20734706027 is a wasteful number, since it uses less digits than its factorization.

20734706027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97366.

The product of its (nonzero) digits is 98784, while the sum is 38.

The spelling of 20734706027 in words is "twenty billion, seven hundred thirty-four million, seven hundred six thousand, twenty-seven".