20134356 has 24 divisors (see below), whose sum is σ = 51251424. Its totient is φ = 6101280.

The previous prime is 20134343. The next prime is 20134369. The reversal of 20134356 is 65343102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20134343) and next prime (20134369).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76135 + ... + 76398.

It is an arithmetic number, because the mean of its divisors is an integer number (2135476).

Almost surely, 2^20134356 is an apocalyptic number.

It is an amenable number.

20134356 is an abundant number, since it is smaller than the sum of its proper divisors (31117068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20134356 is a wasteful number, since it uses less digits than its factorization.

20134356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152551 (or 152549 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 20134356 is about 4487.1322690556. The cubic root of 20134356 is about 272.0482361109.

Adding to 20134356 its reverse (65343102), we get a palindrome (85477458).

The spelling of 20134356 in words is "twenty million, one hundred thirty-four thousand, three hundred fifty-six".