68020833720 has 192 divisors, whose sum is σ = 249872860800. Its totient is φ = 14729299200.

The previous prime is 68020833709. The next prime is 68020833731. The reversal of 68020833720 is 2733802086.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68020833709) and next prime (68020833731).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 192706 + ... + 416145.

It is an arithmetic number, because the mean of its divisors is an integer number (1301421150).

Almost surely, 2^68020833720 is an apocalyptic number.

68020833720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68020833720 is an abundant number, since it is smaller than the sum of its proper divisors (181852027080).

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

68020833720 is a wasteful number, since it uses less digits than its factorization.

68020833720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608898 (or 608887 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 68020833720 in words is "sixty-eight billion, twenty million, eight hundred thirty-three thousand, seven hundred twenty".