20160212 has 6 divisors (see below), whose sum is σ = 35280378. Its totient is φ = 10080104.

The previous prime is 20160187. The next prime is 20160251. The reversal of 20160212 is 21206102.

It can be written as a sum of positive squares in only one way, i.e., 19324816 + 835396 = 4396^2 + 914^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2520023 + ... + 2520030.

It is an arithmetic number, because the mean of its divisors is an integer number (5880063).

Almost surely, 2^20160212 is an apocalyptic number.

It is an amenable number.

20160212 is a deficient number, since it is larger than the sum of its proper divisors (15120166).

20160212 is a wasteful number, since it uses less digits than its factorization.

20160212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040057 (or 5040055 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 20160212 is about 4490.0124721430. The cubic root of 20160212 is about 272.1646386477.

Adding to 20160212 its reverse (21206102), we get a palindrome (41366314).

The spelling of 20160212 in words is "twenty million, one hundred sixty thousand, two hundred twelve".