20132342 has 16 divisors (see below), whose sum is σ = 31154112. Its totient is φ = 9751560.

The previous prime is 20132341. The next prime is 20132347. The reversal of 20132342 is 24323102.

It is a super-2 number, since 2×20132342² = 810622388809928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20132342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132341) 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, 10373 + ... + 12159.

It is an arithmetic number, because the mean of its divisors is an integer number (1947132).

Almost surely, 2^20132342 is an apocalyptic number.

20132342 is a deficient number, since it is larger than the sum of its proper divisors (11021770).

20132342 is a wasteful number, since it uses less digits than its factorization.

20132342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20132342 is about 4486.9078439389. The cubic root of 20132342 is about 272.0391649919.

Adding to 20132342 its reverse (24323102), we get a palindrome (44455444).

The spelling of 20132342 in words is "twenty million, one hundred thirty-two thousand, three hundred forty-two".