20072730274 has 4 divisors (see below), whose sum is σ = 30109095414. Its totient is φ = 10036365136.

The previous prime is 20072730259. The next prime is 20072730311. The reversal of 20072730274 is 47203727002.

20072730274 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47203727002 = 2 ⋅23601863501.

It can be written as a sum of positive squares in only one way, i.e., 19800711225 + 272019049 = 140715^2 + 16493^2 .

It is a super-2 number, since 2×20072730274² (a number of 21 digits) contains 22 as substring.

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, 5018182567 + ... + 5018182570.

Almost surely, 2^20072730274 is an apocalyptic number.

20072730274 is a deficient number, since it is larger than the sum of its proper divisors (10036365140).

20072730274 is a wasteful number, since it uses less digits than its factorization.

20072730274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10036365139.

The product of its (nonzero) digits is 32928, while the sum is 34.

The spelling of 20072730274 in words is "twenty billion, seventy-two million, seven hundred thirty thousand, two hundred seventy-four".