20013342 has 16 divisors (see below), whose sum is σ = 40077840. Its totient is φ = 6662592.

The previous prime is 20013319. The next prime is 20013347. The reversal of 20013342 is 24331002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4584 + ... + 7812.

It is an arithmetic number, because the mean of its divisors is an integer number (2504865).

Almost surely, 2^20013342 is an apocalyptic number.

20013342 is an abundant number, since it is smaller than the sum of its proper divisors (20064498).

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

20013342 is a wasteful number, since it uses less digits than its factorization.

20013342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20013342 is about 4473.6273872552. The cubic root of 20013342 is about 271.5021078422.

Adding to 20013342 its reverse (24331002), we get a palindrome (44344344).

The spelling of 20013342 in words is "twenty million, thirteen thousand, three hundred forty-two".