20775134 has 8 divisors (see below), whose sum is σ = 31349808. Its totient is φ = 10325200.

The previous prime is 20775133. The next prime is 20775137. The reversal of 20775134 is 43157702.

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 = 20775097 and 20775106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20775133) 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, 30767 + ... + 31434.

It is an arithmetic number, because the mean of its divisors is an integer number (3918726).

Almost surely, 2^20775134 is an apocalyptic number.

20775134 is a deficient number, since it is larger than the sum of its proper divisors (10574674).

20775134 is a wasteful number, since it uses less digits than its factorization.

20775134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62370.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 20775134 is about 4557.9747695660. The cubic root of 20775134 is about 274.9041384886.

The spelling of 20775134 in words is "twenty million, seven hundred seventy-five thousand, one hundred thirty-four".