20030212 has 6 divisors (see below), whose sum is σ = 35052878. Its totient is φ = 10015104.

The previous prime is 20030207. The next prime is 20030239. The reversal of 20030212 is 21203002.

It can be written as a sum of positive squares in only one way, i.e., 19061956 + 968256 = 4366^2 + 984^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2503773 + ... + 2503780.

Almost surely, 2^20030212 is an apocalyptic number.

It is an amenable number.

20030212 is a deficient number, since it is larger than the sum of its proper divisors (15022666).

20030212 is a wasteful number, since it uses less digits than its factorization.

20030212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007557 (or 5007555 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20030212 is about 4475.5124846212. The cubic root of 20030212 is about 271.5783728693.

Adding to 20030212 its reverse (21203002), we get a palindrome (41233214).

The spelling of 20030212 in words is "twenty million, thirty thousand, two hundred twelve".