20270135 has 8 divisors (see below), whose sum is σ = 24379056. Its totient is φ = 16179520.

The previous prime is 20270123. The next prime is 20270143. The reversal of 20270135 is 53107202.

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

It is not a de Polignac number, because 20270135 - 2⁴ = 20270119 is a prime.

It is a Duffinian number.

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, 2006 + ... + 6675.

It is an arithmetic number, because the mean of its divisors is an integer number (3047382).

Almost surely, 2^20270135 is an apocalyptic number.

20270135 is a deficient number, since it is larger than the sum of its proper divisors (4108921).

20270135 is an equidigital number, since it uses as much as digits as its factorization.

20270135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9153.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 20270135 is about 4502.2366663693. The cubic root of 20270135 is about 272.6583990561.

Adding to 20270135 its reverse (53107202), we get a palindrome (73377337).

The spelling of 20270135 in words is "twenty million, two hundred seventy thousand, one hundred thirty-five".