20614386 has 32 divisors (see below), whose sum is σ = 44771328. Its totient is φ = 6289920.

The previous prime is 20614361. The next prime is 20614393. The reversal of 20614386 is 68341602.

It is a super-3 number, since 3×20614386³ (a number of 23 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 8866 + ... + 10946.

It is an arithmetic number, because the mean of its divisors is an integer number (1399104).

Almost surely, 2^20614386 is an apocalyptic number.

20614386 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20614386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22385664).

20614386 is an abundant number, since it is smaller than the sum of its proper divisors (24156942).

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

20614386 is a wasteful number, since it uses less digits than its factorization.

20614386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 20614386 is about 4540.3068178263. The cubic root of 20614386 is about 274.1932765300.

Adding to 20614386 its reverse (68341602), we get a palindrome (88955988).

The spelling of 20614386 in words is "twenty million, six hundred fourteen thousand, three hundred eighty-six".