20134260 has 36 divisors (see below), whose sum is σ = 61074468. Its totient is φ = 5369088.

The previous prime is 20134241. The next prime is 20134291. The reversal of 20134260 is 6243102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4309776 + 15824484 = 2076^2 + 3978^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 55749 + ... + 56108.

It is an arithmetic number, because the mean of its divisors is an integer number (1696513).

Almost surely, 2^20134260 is an apocalyptic number.

20134260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20134260 is an abundant number, since it is smaller than the sum of its proper divisors (40940208).

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

20134260 is a wasteful number, since it uses less digits than its factorization.

20134260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111872 (or 111867 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20134260 is about 4487.1215717874. The cubic root of 20134260 is about 272.0478037376.

Adding to 20134260 its reverse (6243102), we get a palindrome (26377362).

The spelling of 20134260 in words is "twenty million, one hundred thirty-four thousand, two hundred sixty".