20602212 has 24 divisors (see below), whose sum is σ = 48750912. Its totient is φ = 6770400.

The previous prime is 20602207. The next prime is 20602217. The reversal of 20602212 is 21220602.

It is an interprime number because it is at equal distance from previous prime (20602207) and next prime (20602217).

It is a super-2 number, since 2×20602212² = 848902278585888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20602191 and 20602200.

It is not an unprimeable number, because it can be changed into a prime (20602217) by changing a digit.

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, 11239 + ... + 12942.

It is an arithmetic number, because the mean of its divisors is an integer number (2031288).

Almost surely, 2^20602212 is an apocalyptic number.

It is an amenable number.

20602212 is an abundant number, since it is smaller than the sum of its proper divisors (28148700).

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

20602212 is a wasteful number, since it uses less digits than its factorization.

20602212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24259 (or 24257 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20602212 is about 4538.9659615379. The cubic root of 20602212 is about 274.1392901817.

Adding to 20602212 its reverse (21220602), we get a palindrome (41822814).

The spelling of 20602212 in words is "twenty million, six hundred two thousand, two hundred twelve".