20116526 has 4 divisors (see below), whose sum is σ = 30174792. Its totient is φ = 10058262.

The previous prime is 20116487. The next prime is 20116531. The reversal of 20116526 is 62561102.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5029130 + ... + 5029133.

It is an arithmetic number, because the mean of its divisors is an integer number (7543698).

Almost surely, 2^20116526 is an apocalyptic number.

20116526 is a deficient number, since it is larger than the sum of its proper divisors (10058266).

20116526 is a wasteful number, since it uses less digits than its factorization.

20116526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10058265.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 20116526 is about 4485.1450366738. The cubic root of 20116526 is about 271.9679081948.

Adding to 20116526 its reverse (62561102), we get a palindrome (82677628).

The spelling of 20116526 in words is "twenty million, one hundred sixteen thousand, five hundred twenty-six".