20011068 has 72 divisors (see below), whose sum is σ = 63073920. Its totient is φ = 5196960.

The previous prime is 20011067. The next prime is 20011087. The reversal of 20011068 is 86011002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 20011068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 838 + ... + 6381.

Almost surely, 2^20011068 is an apocalyptic number.

20011068 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 20011068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31536960).

20011068 is an abundant number, since it is smaller than the sum of its proper divisors (43062852).

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

20011068 is a wasteful number, since it uses less digits than its factorization.

20011068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7247 (or 7242 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 20011068 is about 4473.3732238659. The cubic root of 20011068 is about 271.4918243827.

The spelling of 20011068 in words is "twenty million, eleven thousand, sixty-eight".