20058340 has 12 divisors (see below), whose sum is σ = 42122556. Its totient is φ = 8023328.

The previous prime is 20058301. The next prime is 20058341. The reversal of 20058340 is 4385002.

It can be written as a sum of positive squares in 2 ways, for example, as 8809024 + 11249316 = 2968^2 + 3354^2 .

It is not an unprimeable number, because it can be changed into a prime (20058341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501439 + ... + 501478.

It is an arithmetic number, because the mean of its divisors is an integer number (3510213).

Almost surely, 2^20058340 is an apocalyptic number.

20058340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20058340 is an abundant number, since it is smaller than the sum of its proper divisors (22064216).

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

20058340 is a wasteful number, since it uses less digits than its factorization.

20058340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002926 (or 1002924 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20058340 is about 4478.6538156013. The cubic root of 20058340 is about 271.7054373177.

The spelling of 20058340 in words is "twenty million, fifty-eight thousand, three hundred forty".