20526130 has 16 divisors (see below), whose sum is σ = 37215360. Its totient is φ = 8150832.

The previous prime is 20526071. The next prime is 20526151. The reversal of 20526130 is 3162502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20526098 and 20526107.

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 7 ways as a sum of consecutive naturals, for example, 5994 + ... + 8773.

It is an arithmetic number, because the mean of its divisors is an integer number (2325960).

Almost surely, 2^20526130 is an apocalyptic number.

20526130 is a deficient number, since it is larger than the sum of its proper divisors (16689230).

20526130 is a wasteful number, since it uses less digits than its factorization.

20526130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14913.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 20526130 is about 4530.5772259172. The cubic root of 20526130 is about 273.8014171957.

Adding to 20526130 its reverse (3162502), we get a palindrome (23688632).

It can be divided in two parts, 205 and 26130, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 20526130 in words is "twenty million, five hundred twenty-six thousand, one hundred thirty".