20730439096 has 8 divisors (see below), whose sum is σ = 38869573320. Its totient is φ = 10365219544.

The previous prime is 20730439091. The next prime is 20730439109. The reversal of 20730439096 is 69093403702.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×20730439096² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20730439091) 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 as a sum of consecutive naturals, namely, 1295652436 + ... + 1295652451.

It is an arithmetic number, because the mean of its divisors is an integer number (4858696665).

Almost surely, 2^20730439096 is an apocalyptic number.

It is an amenable number.

20730439096 is a deficient number, since it is larger than the sum of its proper divisors (18139134224).

20730439096 is a wasteful number, since it uses less digits than its factorization.

20730439096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591304893 (or 2591304889 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 43.

The spelling of 20730439096 in words is "twenty billion, seven hundred thirty million, four hundred thirty-nine thousand, ninety-six".