20235730708 has 6 divisors (see below), whose sum is σ = 35412528746. Its totient is φ = 10117865352.

The previous prime is 20235730673. The next prime is 20235730741. The reversal of 20235730708 is 80703753202.

It can be written as a sum of positive squares in only one way, i.e., 15612002704 + 4623728004 = 124948^2 + 67998^2 .

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 as a sum of consecutive naturals, namely, 2529466335 + ... + 2529466342.

Almost surely, 2^20235730708 is an apocalyptic number.

It is an amenable number.

20235730708 is a deficient number, since it is larger than the sum of its proper divisors (15176798038).

20235730708 is a wasteful number, since it uses less digits than its factorization.

20235730708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058932681 (or 5058932679 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 20235730708 in words is "twenty billion, two hundred thirty-five million, seven hundred thirty thousand, seven hundred eight".