20540730326 has 16 divisors (see below), whose sum is σ = 30952303200. Its totient is φ = 10223402688.

The previous prime is 20540730319. The next prime is 20540730341. The reversal of 20540730326 is 62303704502.

It is a junction number, because it is equal to n+sod(n) for n = 20540730292 and 20540730301.

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 in 7 ways as a sum of consecutive naturals, for example, 365090 + ... + 417578.

It is an arithmetic number, because the mean of its divisors is an integer number (1934518950).

Almost surely, 2^20540730326 is an apocalyptic number.

20540730326 is a deficient number, since it is larger than the sum of its proper divisors (10411572874).

20540730326 is a wasteful number, since it uses less digits than its factorization.

20540730326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53383.

The product of its (nonzero) digits is 30240, while the sum is 32.

The spelling of 20540730326 in words is "twenty billion, five hundred forty million, seven hundred thirty thousand, three hundred twenty-six".