20526682 has 20 divisors (see below), whose sum is σ = 33917130. Its totient is φ = 9317000.

The previous prime is 20526679. The next prime is 20526689. The reversal of 20526682 is 28662502.

It can be written as a sum of positive squares in only one way, i.e., 14070001 + 6456681 = 3751^2 + 2541^2 .

It is not an unprimeable number, because it can be changed into a prime (20526689) by changing a digit.

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 in 9 ways as a sum of consecutive naturals, for example, 28932 + ... + 29632.

Almost surely, 2^20526682 is an apocalyptic number.

20526682 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20526682 is a deficient number, since it is larger than the sum of its proper divisors (13390448).

20526682 is an frugal number, since it uses more digits than its factorization.

20526682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 20526682 is about 4530.6381448975. The cubic root of 20526682 is about 273.8038715799.

The spelling of 20526682 in words is "twenty million, five hundred twenty-six thousand, six hundred eighty-two".