20010136 has 16 divisors (see below), whose sum is σ = 38392200. Its totient is φ = 9772224.

The previous prime is 20010127. The next prime is 20010157. The reversal of 20010136 is 63101002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28741 + ... + 29428.

Almost surely, 2^20010136 is an apocalyptic number.

It is an amenable number.

20010136 is a deficient number, since it is larger than the sum of its proper divisors (18382064).

20010136 is a wasteful number, since it uses less digits than its factorization.

20010136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58218 (or 58214 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 20010136 is about 4473.2690507055. The cubic root of 20010136 is about 271.4876094767.

Adding to 20010136 its reverse (63101002), we get a palindrome (83111138).

The spelling of 20010136 in words is "twenty million, ten thousand, one hundred thirty-six".