20054660 has 48 divisors (see below), whose sum is σ = 44271360. Its totient is φ = 7620480.

The previous prime is 20054651. The next prime is 20054669. The reversal of 20054660 is 6645002.

It is an interprime number because it is at equal distance from previous prime (20054651) and next prime (20054669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20054669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40937 + ... + 41423.

It is an arithmetic number, because the mean of its divisors is an integer number (922320).

Almost surely, 2^20054660 is an apocalyptic number.

20054660 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 20054660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22135680).

20054660 is an abundant number, since it is smaller than the sum of its proper divisors (24216700).

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

20054660 is a wasteful number, since it uses less digits than its factorization.

20054660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 20054660 is about 4478.2429590186. The cubic root of 20054660 is about 271.6888201706.

Adding to 20054660 its reverse (6645002), we get a palindrome (26699662).

The spelling of 20054660 in words is "twenty million, fifty-four thousand, six hundred sixty".