20612200 has 48 divisors (see below), whose sum is σ = 54773280. Its totient is φ = 7066560.

The previous prime is 20612197. The next prime is 20612201. The reversal of 20612200 is 221602.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20612201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5962 + ... + 8761.

It is an arithmetic number, because the mean of its divisors is an integer number (1141110).

Almost surely, 2^20612200 is an apocalyptic number.

20612200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20612200 is an abundant number, since it is smaller than the sum of its proper divisors (34161080).

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

20612200 is a wasteful number, since it uses less digits than its factorization.

20612200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14746 (or 14737 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20612200 is about 4540.0660788143. The cubic root of 20612200 is about 274.1835841451.

Adding to 20612200 its reverse (221602), we get a palindrome (20833802).

The spelling of 20612200 in words is "twenty million, six hundred twelve thousand, two hundred".