20526496 has 12 divisors (see below), whose sum is σ = 40411602. Its totient is φ = 10263232.

The previous prime is 20526469. The next prime is 20526503. The reversal of 20526496 is 69462502.

It can be written as a sum of positive squares in only one way, i.e., 14592400 + 5934096 = 3820^2 + 2436^2 .

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 as a sum of consecutive naturals, namely, 320695 + ... + 320758.

Almost surely, 2^20526496 is an apocalyptic number.

It is an amenable number.

20526496 is a deficient number, since it is larger than the sum of its proper divisors (19885106).

20526496 is an equidigital number, since it uses as much as digits as its factorization.

20526496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641463 (or 641455 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 20526496 is about 4530.6176179413. The cubic root of 20526496 is about 273.8030445641.

Adding to 20526496 its reverse (69462502), we get a palindrome (89988998).

The spelling of 20526496 in words is "twenty million, five hundred twenty-six thousand, four hundred ninety-six".