20282135 has 16 divisors (see below), whose sum is σ = 24948000. Its totient is φ = 15824256.

The previous prime is 20282131. The next prime is 20282147. The reversal of 20282135 is 53128202.

It is a cyclic number.

It is not a de Polignac number, because 20282135 - 2² = 20282131 is a prime.

It is a super-2 number, since 2×20282135² = 822730000316450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20282135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20282131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57941 + ... + 58289.

It is an arithmetic number, because the mean of its divisors is an integer number (1559250).

Almost surely, 2^20282135 is an apocalyptic number.

20282135 is a deficient number, since it is larger than the sum of its proper divisors (4665865).

20282135 is a wasteful number, since it uses less digits than its factorization.

20282135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20282135 is about 4503.5691401376. The cubic root of 20282135 is about 272.7121933919.

The spelling of 20282135 in words is "twenty million, two hundred eighty-two thousand, one hundred thirty-five".