20550134 has 32 divisors (see below), whose sum is σ = 35717760. Its totient is φ = 8769600.

The previous prime is 20550121. The next prime is 20550199. The reversal of 20550134 is 43105502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88082 + ... + 88314.

It is an arithmetic number, because the mean of its divisors is an integer number (1116180).

Almost surely, 2^20550134 is an apocalyptic number.

20550134 is a deficient number, since it is larger than the sum of its proper divisors (15167626).

20550134 is a wasteful number, since it uses less digits than its factorization.

20550134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 20550134 is about 4533.2255624445. The cubic root of 20550134 is about 273.9081067163.

Adding to 20550134 its reverse (43105502), we get a palindrome (63655636).

The spelling of 20550134 in words is "twenty million, five hundred fifty thousand, one hundred thirty-four".