20426134 has 8 divisors (see below), whose sum is σ = 31008600. Its totient is φ = 10089936.

The previous prime is 20426111. The next prime is 20426137. The reversal of 20426134 is 43162402.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20426137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61359 + ... + 61690.

It is an arithmetic number, because the mean of its divisors is an integer number (3876075).

Almost surely, 2^20426134 is an apocalyptic number.

20426134 is a deficient number, since it is larger than the sum of its proper divisors (10582466).

20426134 is a wasteful number, since it uses less digits than its factorization.

20426134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123134.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20426134 is about 4519.5280727085. The cubic root of 20426134 is about 273.3560722044.

Adding to 20426134 its reverse (43162402), we get a palindrome (63588536).

The spelling of 20426134 in words is "twenty million, four hundred twenty-six thousand, one hundred thirty-four".