20442514 has 16 divisors (see below), whose sum is σ = 31363200. Its totient is φ = 9990864.

The previous prime is 20442511. The next prime is 20442523. The reversal of 20442514 is 41524402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20442511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16629 + ... + 17815.

It is an arithmetic number, because the mean of its divisors is an integer number (1960200).

Almost surely, 2^20442514 is an apocalyptic number.

20442514 is a deficient number, since it is larger than the sum of its proper divisors (10920686).

20442514 is a wasteful number, since it uses less digits than its factorization.

20442514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 20442514 is about 4521.3398456652. The cubic root of 20442514 is about 273.4291220225.

Adding to 20442514 its reverse (41524402), we get a palindrome (61966916).

The spelling of 20442514 in words is "twenty million, four hundred forty-two thousand, five hundred fourteen".