20683068 has 48 divisors (see below), whose sum is σ = 55668480. Its totient is φ = 5854464.

The previous prime is 20683063. The next prime is 20683123. The reversal of 20683068 is 86038602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20683063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8403 + ... + 10581.

It is an arithmetic number, because the mean of its divisors is an integer number (1159760).

Almost surely, 2^20683068 is an apocalyptic number.

20683068 is a gapful number since it is divisible by the number (28) 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 20683068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27834240).

20683068 is an abundant number, since it is smaller than the sum of its proper divisors (34985412).

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

20683068 is a wasteful number, since it uses less digits than its factorization.

20683068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306 (or 2304 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 20683068 is about 4547.8641140650. The cubic root of 20683068 is about 274.4974535349.

The spelling of 20683068 in words is "twenty million, six hundred eighty-three thousand, sixty-eight".