20060340 has 96 divisors (see below), whose sum is σ = 60528384. Its totient is φ = 4945920.

The previous prime is 20060329. The next prime is 20060363. The reversal of 20060340 is 4306002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72282 + ... + 72558.

It is an arithmetic number, because the mean of its divisors is an integer number (630504).

Almost surely, 2^20060340 is an apocalyptic number.

20060340 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 20060340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30264192).

20060340 is an abundant number, since it is smaller than the sum of its proper divisors (40468044).

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

20060340 is a wasteful number, since it uses less digits than its factorization.

20060340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20060340 is about 4478.8770914148. The cubic root of 20060340 is about 271.7144675235.

Adding to 20060340 its reverse (4306002), we get a palindrome (24366342).

The spelling of 20060340 in words is "twenty million, sixty thousand, three hundred forty".