69620020688 has 40 divisors (see below), whose sum is σ = 137483885736. Its totient is φ = 34140787200.

The previous prime is 69620020669. The next prime is 69620020699. The reversal of 69620020688 is 88602002696.

It can be written as a sum of positive squares in 4 ways, for example, as 49271568784 + 20348451904 = 221972^2 + 142648^2 .

It is a super-3 number, since 3×69620020688³ (a number of 34 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2582318 + ... + 2609138.

Almost surely, 2^69620020688 is an apocalyptic number.

It is an amenable number.

69620020688 is a deficient number, since it is larger than the sum of its proper divisors (67863865048).

69620020688 is a wasteful number, since it uses less digits than its factorization.

69620020688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29943 (or 29937 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 69620020688 in words is "sixty-nine billion, six hundred twenty million, twenty thousand, six hundred eighty-eight".