20114660 has 24 divisors (see below), whose sum is σ = 43604736. Its totient is φ = 7786080.

The previous prime is 20114659. The next prime is 20114663. The reversal of 20114660 is 6641102.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (20114663) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15602 + ... + 16841.

It is an arithmetic number, because the mean of its divisors is an integer number (1816864).

Almost surely, 2^20114660 is an apocalyptic number.

20114660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20114660 is an abundant number, since it is smaller than the sum of its proper divisors (23490076).

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

20114660 is a wasteful number, since it uses less digits than its factorization.

20114660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32483 (or 32481 counting only the distinct ones).

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

The square root of 20114660 is about 4484.9370118208. The cubic root of 20114660 is about 271.9594987274.

Adding to 20114660 its reverse (6641102), we get a palindrome (26755762).

The spelling of 20114660 in words is "twenty million, one hundred fourteen thousand, six hundred sixty".