20462135 has 16 divisors (see below), whose sum is σ = 26394336. Its totient is φ = 15172608.

The previous prime is 20462093. The next prime is 20462137. The reversal of 20462135 is 53126402.

It is a cyclic number.

It is not a de Polignac number, because 20462135 - 2¹⁴ = 20445751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20462135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20462137) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3899 + ... + 7491.

It is an arithmetic number, because the mean of its divisors is an integer number (1649646).

Almost surely, 2^20462135 is an apocalyptic number.

20462135 is a deficient number, since it is larger than the sum of its proper divisors (5932201).

20462135 is a wasteful number, since it uses less digits than its factorization.

20462135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 20462135 is about 4523.5091466692. The cubic root of 20462135 is about 273.5165743660.

Adding to 20462135 its reverse (53126402), we get a palindrome (73588537).

The spelling of 20462135 in words is "twenty million, four hundred sixty-two thousand, one hundred thirty-five".