20607425386 has 4 divisors (see below), whose sum is σ = 30911138082. Its totient is φ = 10303712692.

The previous prime is 20607425369. The next prime is 20607425387. The reversal of 20607425386 is 68352470602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10581208225 + 10026217161 = 102865^2 + 100131^2 .

It is not an unprimeable number, because it can be changed into a prime (20607425387) 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, 5151856345 + ... + 5151856348.

Almost surely, 2^20607425386 is an apocalyptic number.

20607425386 is a deficient number, since it is larger than the sum of its proper divisors (10303712696).

20607425386 is a wasteful number, since it uses less digits than its factorization.

20607425386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10303712695.

The product of its (nonzero) digits is 483840, while the sum is 43.

Adding to 20607425386 its reverse (68352470602), we get a palindrome (88959895988).

The spelling of 20607425386 in words is "twenty billion, six hundred seven million, four hundred twenty-five thousand, three hundred eighty-six".