20614160 has 80 divisors (see below), whose sum is σ = 55389312. Its totient is φ = 6988800.

The previous prime is 20614151. The next prime is 20614171. The reversal of 20614160 is 6141602.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73220 + ... + 73500.

Almost surely, 2^20614160 is an apocalyptic number.

20614160 is a gapful number since it is divisible by the number (20) 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 20614160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27694656).

20614160 is an abundant number, since it is smaller than the sum of its proper divisors (34775152).

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

20614160 is a wasteful number, since it uses less digits than its factorization.

20614160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 20614160 is about 4540.2819295722. The cubic root of 20614160 is about 274.1922745128.

Adding to 20614160 its reverse (6141602), we get a palindrome (26755762).

The spelling of 20614160 in words is "twenty million, six hundred fourteen thousand, one hundred sixty".