20114730 has 80 divisors (see below), whose sum is σ = 56976480. Its totient is φ = 5077728.

The previous prime is 20114713. The next prime is 20114779. The reversal of 20114730 is 3741102.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14737 + ... + 16043.

It is an arithmetic number, because the mean of its divisors is an integer number (712206).

Almost surely, 2^20114730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20114730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28488240).

20114730 is an abundant number, since it is smaller than the sum of its proper divisors (36861750).

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

20114730 is a wasteful number, since it uses less digits than its factorization.

20114730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345 (or 1336 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 20114730 is about 4484.9448157140. The cubic root of 20114730 is about 271.9598142045.

Adding to 20114730 its reverse (3741102), we get a palindrome (23855832).

The spelling of 20114730 in words is "twenty million, one hundred fourteen thousand, seven hundred thirty".