20042134 has 8 divisors (see below), whose sum is σ = 34357968. Its totient is φ = 8589480.

The previous prime is 20042117. The next prime is 20042173. The reversal of 20042134 is 43124002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715777 + ... + 715804.

It is an arithmetic number, because the mean of its divisors is an integer number (4294746).

Almost surely, 2^20042134 is an apocalyptic number.

20042134 is a deficient number, since it is larger than the sum of its proper divisors (14315834).

20042134 is a wasteful number, since it uses less digits than its factorization.

20042134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431590.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20042134 is about 4476.8442009969. The cubic root of 20042134 is about 271.6322434125.

Adding to 20042134 its reverse (43124002), we get a palindrome (63166136).

The spelling of 20042134 in words is "twenty million, forty-two thousand, one hundred thirty-four".