20244212 has 24 divisors (see below), whose sum is σ = 37650816. Its totient is φ = 9491328.

The previous prime is 20244199. The next prime is 20244239. The reversal of 20244212 is 21244202.

It is a happy number.

It is a super-3 number, since 3×20244212³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31163 + ... + 31805.

It is an arithmetic number, because the mean of its divisors is an integer number (1568784).

Almost surely, 2^20244212 is an apocalyptic number.

It is an amenable number.

20244212 is a deficient number, since it is larger than the sum of its proper divisors (17406604).

20244212 is a wasteful number, since it uses less digits than its factorization.

20244212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 20244212 is about 4499.3568429277. The cubic root of 20244212 is about 272.5421173292.

Adding to 20244212 its reverse (21244202), we get a palindrome (41488414).

The spelling of 20244212 in words is "twenty million, two hundred forty-four thousand, two hundred twelve".