20724114 has 16 divisors (see below), whose sum is σ = 41776128. Its totient is φ = 6853392.

The previous prime is 20724097. The next prime is 20724161. The reversal of 20724114 is 41142702.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12837 + ... + 14360.

It is an arithmetic number, because the mean of its divisors is an integer number (2611008).

Almost surely, 2^20724114 is an apocalyptic number.

20724114 is an abundant number, since it is smaller than the sum of its proper divisors (21052014).

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

20724114 is a wasteful number, since it uses less digits than its factorization.

20724114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27329.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 20724114 is about 4552.3745452236. The cubic root of 20724114 is about 274.6789156125.

Adding to 20724114 its reverse (41142702), we get a palindrome (61866816).

The spelling of 20724114 in words is "twenty million, seven hundred twenty-four thousand, one hundred fourteen".