20244650 has 24 divisors (see below), whose sum is σ = 38030304. Its totient is φ = 8017200.

The previous prime is 20244647. The next prime is 20244667. The reversal of 20244650 is 5644202.

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, 3185 + ... + 7115.

It is an arithmetic number, because the mean of its divisors is an integer number (1584596).

Almost surely, 2^20244650 is an apocalyptic number.

20244650 is a deficient number, since it is larger than the sum of its proper divisors (17785654).

20244650 is a wasteful number, since it uses less digits than its factorization.

20244650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046 (or 4041 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 20244650 is about 4499.4055162877. The cubic root of 20244650 is about 272.5440828719.

Adding to 20244650 its reverse (5644202), we get a palindrome (25888852).

The spelling of 20244650 in words is "twenty million, two hundred forty-four thousand, six hundred fifty".