20068620 has 96 divisors (see below), whose sum is σ = 66044160. Its totient is φ = 4488960.

The previous prime is 20068603. The next prime is 20068669. The reversal of 20068620 is 2686002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7411 + ... + 9749.

It is an arithmetic number, because the mean of its divisors is an integer number (687960).

Almost surely, 2^20068620 is an apocalyptic number.

20068620 is a gapful number since it is divisible by the number (20) 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 20068620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33022080).

20068620 is an abundant number, since it is smaller than the sum of its proper divisors (45975540).

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

20068620 is a wasteful number, since it uses less digits than its factorization.

20068620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375 (or 2373 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20068620 is about 4479.8013348808. The cubic root of 20068620 is about 271.7518461908.

The spelling of 20068620 in words is "twenty million, sixty-eight thousand, six hundred twenty".