20065526 has 16 divisors (see below), whose sum is σ = 32827200. Its totient is φ = 9142848.

The previous prime is 20065489. The next prime is 20065531. The reversal of 20065526 is 62556002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 20065495 and 20065504.

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 in 7 ways as a sum of consecutive naturals, for example, 2831 + ... + 6938.

It is an arithmetic number, because the mean of its divisors is an integer number (2051700).

Almost surely, 2^20065526 is an apocalyptic number.

20065526 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20065526 is a deficient number, since it is larger than the sum of its proper divisors (12761674).

20065526 is a wasteful number, since it uses less digits than its factorization.

20065526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9863.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 20065526 is about 4479.4559937564. The cubic root of 20065526 is about 271.7378800516.

The spelling of 20065526 in words is "twenty million, sixty-five thousand, five hundred twenty-six".