20053210 has 16 divisors (see below), whose sum is σ = 37341000. Its totient is φ = 7744576.

The previous prime is 20053153. The next prime is 20053211. The reversal of 20053210 is 1235002.

It can be written as a sum of positive squares in 4 ways, for example, as 15031129 + 5022081 = 3877^2 + 2241^2 .

It is not an unprimeable number, because it can be changed into a prime (20053211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34285 + ... + 34864.

Almost surely, 2^20053210 is an apocalyptic number.

20053210 is a deficient number, since it is larger than the sum of its proper divisors (17287790).

20053210 is a wasteful number, since it uses less digits than its factorization.

20053210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69185.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 20053210 is about 4478.0810622408. The cubic root of 20053210 is about 271.6822720951.

Adding to 20053210 its reverse (1235002), we get a palindrome (21288212).

The spelling of 20053210 in words is "twenty million, fifty-three thousand, two hundred ten".