20325212 has 24 divisors (see below), whose sum is σ = 38653440. Its totient is φ = 9316080.

The previous prime is 20325211. The next prime is 20325223. The reversal of 20325212 is 21252302.

It is a super-2 number, since 2×20325212² = 826228485689888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20325211) 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, 1958 + ... + 6669.

It is an arithmetic number, because the mean of its divisors is an integer number (1610560).

Almost surely, 2^20325212 is an apocalyptic number.

It is an amenable number.

20325212 is a deficient number, since it is larger than the sum of its proper divisors (18328228).

20325212 is a wasteful number, since it uses less digits than its factorization.

20325212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8681 (or 8679 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20325212 is about 4508.3491435336. The cubic root of 20325212 is about 272.9051269936.

Adding to 20325212 its reverse (21252302), we get a palindrome (41577514).

The spelling of 20325212 in words is "twenty million, three hundred twenty-five thousand, two hundred twelve".