20202135 has 32 divisors (see below), whose sum is σ = 33530112. Its totient is φ = 10379520.

The previous prime is 20202113. The next prime is 20202167. The reversal of 20202135 is 53120202.

It is not a de Polignac number, because 20202135 - 2⁶ = 20202071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65652 + ... + 65958.

It is an arithmetic number, because the mean of its divisors is an integer number (1047816).

Almost surely, 2^20202135 is an apocalyptic number.

20202135 is a deficient number, since it is larger than the sum of its proper divisors (13327977).

20202135 is a wasteful number, since it uses less digits than its factorization.

20202135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20202135 is about 4494.6785202059. The cubic root of 20202135 is about 272.3531627614.

Adding to 20202135 its reverse (53120202), we get a palindrome (73322337).

The spelling of 20202135 in words is "twenty million, two hundred two thousand, one hundred thirty-five".