20135126 has 12 divisors (see below), whose sum is σ = 33198396. Its totient is φ = 9152220.

The previous prime is 20135113. The next prime is 20135147. The reversal of 20135126 is 62153102.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20135098 and 20135107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41360 + ... + 41843.

It is an arithmetic number, because the mean of its divisors is an integer number (2766533).

Almost surely, 2^20135126 is an apocalyptic number.

20135126 is a deficient number, since it is larger than the sum of its proper divisors (13063270).

20135126 is a wasteful number, since it uses less digits than its factorization.

20135126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83227 (or 83216 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 20135126 is about 4487.2180691382. The cubic root of 20135126 is about 272.0517040551.

Adding to 20135126 its reverse (62153102), we get a palindrome (82288228).

The spelling of 20135126 in words is "twenty million, one hundred thirty-five thousand, one hundred twenty-six".