68201220 has 48 divisors (see below), whose sum is σ = 192443328. Its totient is φ = 18046080.

The previous prime is 68201219. The next prime is 68201239. The reversal of 68201220 is 2210286.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3522 + ... + 12198.

It is an arithmetic number, because the mean of its divisors is an integer number (4009236).

Almost surely, 2^68201220 is an apocalyptic number.

68201220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68201220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96221664).

68201220 is an abundant number, since it is smaller than the sum of its proper divisors (124242108).

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

68201220 is a wasteful number, since it uses less digits than its factorization.

68201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8820 (or 8818 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 68201220 is about 8258.4029933154. The cubic root of 68201220 is about 408.5677169812.

The spelling of 68201220 in words is "sixty-eight million, two hundred one thousand, two hundred twenty".