20411342 has 12 divisors (see below), whose sum is σ = 35615880. Its totient is φ = 8747676.

The previous prime is 20411341. The next prime is 20411357. The reversal of 20411342 is 24311402.

It is a super-3 number, since 3×20411342³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20411342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104042 + ... + 104237.

It is an arithmetic number, because the mean of its divisors is an integer number (2967990).

Almost surely, 2^20411342 is an apocalyptic number.

20411342 is a deficient number, since it is larger than the sum of its proper divisors (15204538).

20411342 is a wasteful number, since it uses less digits than its factorization.

20411342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208295 (or 208288 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20411342 is about 4517.8913222874. The cubic root of 20411342 is about 273.2900708183.

Adding to 20411342 its reverse (24311402), we get a palindrome (44722744).

The spelling of 20411342 in words is "twenty million, four hundred eleven thousand, three hundred forty-two".