20444202 has 24 divisors (see below), whose sum is σ = 45494436. Its totient is φ = 6630336.

The previous prime is 20444191. The next prime is 20444213. The reversal of 20444202 is 20244402.

20444202 is a `hidden beast` number, since 20 + 444 + 202 = 666.

It is an interprime number because it is at equal distance from previous prime (20444191) and next prime (20444213).

It can be written as a sum of positive squares in 2 ways, for example, as 20439441 + 4761 = 4521^2 + 69^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14683 + ... + 16014.

Almost surely, 2^20444202 is an apocalyptic number.

20444202 is an abundant number, since it is smaller than the sum of its proper divisors (25050234).

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

20444202 is a wasteful number, since it uses less digits than its factorization.

20444202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30742 (or 30739 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 20444202 is about 4521.5265121417. The cubic root of 20444202 is about 273.4366477709.

Adding to 20444202 its reverse (20244402), we get a palindrome (40688604).

The spelling of 20444202 in words is "twenty million, four hundred forty-four thousand, two hundred two".