20480730742 has 16 divisors (see below), whose sum is σ = 32077366272. Its totient is φ = 9788846760.

The previous prime is 20480730707. The next prime is 20480730757. The reversal of 20480730742 is 24703708402.

It is a super-3 number, since 3×20480730742³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 69984 + ... + 214147.

It is an arithmetic number, because the mean of its divisors is an integer number (2004835392).

Almost surely, 2^20480730742 is an apocalyptic number.

20480730742 is a deficient number, since it is larger than the sum of its proper divisors (11596635530).

20480730742 is a wasteful number, since it uses less digits than its factorization.

20480730742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285723.

The product of its (nonzero) digits is 75264, while the sum is 37.

The spelling of 20480730742 in words is "twenty billion, four hundred eighty million, seven hundred thirty thousand, seven hundred forty-two".