20202136 has 8 divisors (see below), whose sum is σ = 37879020. Its totient is φ = 10101064.

The previous prime is 20202113. The next prime is 20202167. The reversal of 20202136 is 63120202.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262626 + ... + 1262641.

Almost surely, 2^20202136 is an apocalyptic number.

It is an amenable number.

20202136 is a deficient number, since it is larger than the sum of its proper divisors (17676884).

20202136 is a wasteful number, since it uses less digits than its factorization.

20202136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525273 (or 2525269 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20202136 is about 4494.6786314485. The cubic root of 20202136 is about 272.3531672552.

Adding to 20202136 its reverse (63120202), we get a palindrome (83322338).

It can be divided in two parts, 20202 and 136, that multiplied together give a palindrome (2747472).

The spelling of 20202136 in words is "twenty million, two hundred two thousand, one hundred thirty-six".