68820303352 has 16 divisors (see below), whose sum is σ = 129041470440. Its totient is φ = 34409244576.

The previous prime is 68820303319. The next prime is 68820303373. The reversal of 68820303352 is 25330302886.

It is a super-2 number, since 2×68820303352² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295998 + ... + 474610.

Almost surely, 2^68820303352 is an apocalyptic number.

It is an amenable number.

68820303352 is a deficient number, since it is larger than the sum of its proper divisors (60221167088).

68820303352 is a wasteful number, since it uses less digits than its factorization.

68820303352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226782 (or 226778 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 68820303352 in words is "sixty-eight billion, eight hundred twenty million, three hundred three thousand, three hundred fifty-two".