20201342 has 16 divisors (see below), whose sum is σ = 35825760. Its totient is φ = 8359008.

The previous prime is 20201341. The next prime is 20201353. The reversal of 20201342 is 24310202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201341) 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, 24473 + ... + 25284.

It is an arithmetic number, because the mean of its divisors is an integer number (2239110).

Almost surely, 2^20201342 is an apocalyptic number.

20201342 is a deficient number, since it is larger than the sum of its proper divisors (15624418).

20201342 is a wasteful number, since it uses less digits than its factorization.

20201342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49795.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20201342 is about 4494.5903039098. The cubic root of 20201342 is about 272.3495991301.

Adding to 20201342 its reverse (24310202), we get a palindrome (44511544).

The spelling of 20201342 in words is "twenty million, two hundred one thousand, three hundred forty-two".