20362040 has 32 divisors (see below), whose sum is σ = 47295360. Its totient is φ = 7881600.

The previous prime is 20362033. The next prime is 20362049. The reversal of 20362040 is 4026302.

It is a super-2 number, since 2×20362040² = 829225345923200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20362049) 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, 6971 + ... + 9450.

It is an arithmetic number, because the mean of its divisors is an integer number (1477980).

Almost surely, 2^20362040 is an apocalyptic number.

20362040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20362040 is an abundant number, since it is smaller than the sum of its proper divisors (26933320).

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

20362040 is a wasteful number, since it uses less digits than its factorization.

20362040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16463 (or 16459 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20362040 is about 4512.4317169349. The cubic root of 20362040 is about 273.0698564899.

Adding to 20362040 its reverse (4026302), we get a palindrome (24388342).

The spelling of 20362040 in words is "twenty million, three hundred sixty-two thousand, forty".