20414388 has 12 divisors (see below), whose sum is σ = 47633600. Its totient is φ = 6804792.

The previous prime is 20414371. The next prime is 20414389. The reversal of 20414388 is 88341402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850588 + ... + 850611.

Almost surely, 2^20414388 is an apocalyptic number.

It is an amenable number.

20414388 is an abundant number, since it is smaller than the sum of its proper divisors (27219212).

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

20414388 is a wasteful number, since it uses less digits than its factorization.

20414388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701206 (or 1701204 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 20414388 is about 4518.2284138808. The cubic root of 20414388 is about 273.3036645701.

It can be divided in two parts, 20414 and 388, that added together give a palindrome (20802).

The spelling of 20414388 in words is "twenty million, four hundred fourteen thousand, three hundred eighty-eight".