20205414 has 24 divisors (see below), whose sum is σ = 43895280. Its totient is φ = 6717168.

The previous prime is 20205389. The next prime is 20205467. The reversal of 20205414 is 41450202.

It is a super-2 number, since 2×20205414² = 816517509822792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6624 + ... + 9180.

It is an arithmetic number, because the mean of its divisors is an integer number (1828970).

Almost surely, 2^20205414 is an apocalyptic number.

20205414 is an abundant number, since it is smaller than the sum of its proper divisors (23689866).

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

20205414 is a wasteful number, since it uses less digits than its factorization.

20205414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004 (or 3001 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 20205414 is about 4495.0432700921. The cubic root of 20205414 is about 272.3678971399.

Adding to 20205414 its reverse (41450202), we get a palindrome (61655616).

The spelling of 20205414 in words is "twenty million, two hundred five thousand, four hundred fourteen".