10020205 has 8 divisors (see below), whose sum is σ = 12949272. Its totient is φ = 7399488.

The previous prime is 10020193. The next prime is 10020253. The reversal of 10020205 is 50202001.

It can be written as a sum of positive squares in 4 ways, for example, as 546121 + 9474084 = 739^2 + 3078^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020205 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020191 and 10020200.

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, 77014 + ... + 77143.

It is an arithmetic number, because the mean of its divisors is an integer number (1618659).

Almost surely, 2^10020205 is an apocalyptic number.

It is an amenable number.

10020205 is a deficient number, since it is larger than the sum of its proper divisors (2929067).

10020205 is a wasteful number, since it uses less digits than its factorization.

10020205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154175.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 10020205 is about 3165.4707390845. The cubic root of 10020205 is about 215.5884725635.

Adding to 10020205 its reverse (50202001), we get a palindrome (60222206).

The spelling of 10020205 in words is "ten million, twenty thousand, two hundred five".