20005026 has 8 divisors (see below), whose sum is σ = 40010064. Its totient is φ = 6668340.

The previous prime is 20005021. The next prime is 20005087. The reversal of 20005026 is 62050002.

It is a sphenic number, since it is the product of 3 distinct primes.

20005026 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20004996 and 20005014.

It is not an unprimeable number, because it can be changed into a prime (20005021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667080 + ... + 1667091.

It is an arithmetic number, because the mean of its divisors is an integer number (5001258).

Almost surely, 2^20005026 is an apocalyptic number.

20005026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20005026 is a wasteful number, since it uses less digits than its factorization.

20005026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334176.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20005026 is about 4472.6978435839. The cubic root of 20005026 is about 271.4644975267.

Adding to 20005026 its reverse (62050002), we get a palindrome (82055028).

The spelling of 20005026 in words is "twenty million, five thousand, twenty-six".