20242135 has 8 divisors (see below), whose sum is σ = 24425856. Its totient is φ = 16103520.

The previous prime is 20242129. The next prime is 20242169. The reversal of 20242135 is 53124202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20242135 - 2³ = 20242127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10279 + ... + 12088.

It is an arithmetic number, because the mean of its divisors is an integer number (3053232).

Almost surely, 2^20242135 is an apocalyptic number.

20242135 is a deficient number, since it is larger than the sum of its proper divisors (4183721).

20242135 is a wasteful number, since it uses less digits than its factorization.

20242135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22553.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20242135 is about 4499.1260262411. The cubic root of 20242135 is about 272.5327963220.

Adding to 20242135 its reverse (53124202), we get a palindrome (73366337).

The spelling of 20242135 in words is "twenty million, two hundred forty-two thousand, one hundred thirty-five".