20707932634 has 8 divisors (see below), whose sum is σ = 31167913140. Its totient is φ = 10318628256.

The previous prime is 20707932613. The next prime is 20707932643. The reversal of 20707932634 is 43623970702.

It can be written as a sum of positive squares in 2 ways, for example, as 20321928025 + 386004609 = 142555^2 + 19647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 17668299 + ... + 17669470.

Almost surely, 2^20707932634 is an apocalyptic number.

20707932634 is a deficient number, since it is larger than the sum of its proper divisors (10459980506).

20707932634 is a wasteful number, since it uses less digits than its factorization.

20707932634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35338064.

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 20707932634 in words is "twenty billion, seven hundred seven million, nine hundred thirty-two thousand, six hundred thirty-four".