20654134 has 8 divisors (see below), whose sum is σ = 31071528. Its totient is φ = 10296960.

The previous prime is 20654107. The next prime is 20654143. The reversal of 20654134 is 43145602.

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

It is a junction number, because it is equal to n+sod(n) for n = 20654099 and 20654108.

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, 14187 + ... + 15574.

It is an arithmetic number, because the mean of its divisors is an integer number (3883941).

Almost surely, 2^20654134 is an apocalyptic number.

20654134 is a deficient number, since it is larger than the sum of its proper divisors (10417394).

20654134 is a wasteful number, since it uses less digits than its factorization.

20654134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30110.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 20654134 is about 4544.6819470674. The cubic root of 20654134 is about 274.3693936204.

Adding to 20654134 its reverse (43145602), we get a palindrome (63799736).

The spelling of 20654134 in words is "twenty million, six hundred fifty-four thousand, one hundred thirty-four".