20214342 has 24 divisors (see below), whose sum is σ = 44235360. Its totient is φ = 6670800.

The previous prime is 20214329. The next prime is 20214373. The reversal of 20214342 is 24341202.

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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3742 + ... + 7377.

It is an arithmetic number, because the mean of its divisors is an integer number (1843140).

Almost surely, 2^20214342 is an apocalyptic number.

20214342 is an abundant number, since it is smaller than the sum of its proper divisors (24021018).

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

20214342 is a wasteful number, since it uses less digits than its factorization.

20214342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11228 (or 11225 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 20214342 is about 4496.0362543022. The cubic root of 20214342 is about 272.4080075531.

Adding to 20214342 its reverse (24341202), we get a palindrome (44555544).

The spelling of 20214342 in words is "twenty million, two hundred fourteen thousand, three hundred forty-two".