20342412 has 36 divisors (see below), whose sum is σ = 51911496. Its totient is φ = 6716160.

The previous prime is 20342411. The next prime is 20342429. The reversal of 20342412 is 21424302.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (20342411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1212 + ... + 6492.

It is an arithmetic number, because the mean of its divisors is an integer number (1441986).

Almost surely, 2^20342412 is an apocalyptic number.

It is an amenable number.

20342412 is an abundant number, since it is smaller than the sum of its proper divisors (31569084).

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

20342412 is a wasteful number, since it uses less digits than its factorization.

20342412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5398 (or 5393 counting only the distinct ones).

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

The square root of 20342412 is about 4510.2563120071. The cubic root of 20342412 is about 272.9820863341.

Adding to 20342412 its reverse (21424302), we get a palindrome (41766714).

The spelling of 20342412 in words is "twenty million, three hundred forty-two thousand, four hundred twelve".