68258020 has 24 divisors (see below), whose sum is σ = 149575104. Its totient is φ = 26115936.

The previous prime is 68258017. The next prime is 68258087. The reversal of 68258020 is 2085286.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73734 + ... + 74653.

It is an arithmetic number, because the mean of its divisors is an integer number (6232296).

Almost surely, 2^68258020 is an apocalyptic number.

It is an amenable number.

68258020 is an abundant number, since it is smaller than the sum of its proper divisors (81317084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68258020 is a wasteful number, since it uses less digits than its factorization.

68258020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148419 (or 148417 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 68258020 is about 8261.8411991517. The cubic root of 68258020 is about 408.6811079484.

The spelling of 68258020 in words is "sixty-eight million, two hundred fifty-eight thousand, twenty".