20441146 has 32 divisors (see below), whose sum is σ = 34898688. Its totient is φ = 8898240.

The previous prime is 20441137. The next prime is 20441147. The reversal of 20441146 is 64114402.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (20441147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54616 + ... + 54988.

It is an arithmetic number, because the mean of its divisors is an integer number (1090584).

Almost surely, 2^20441146 is an apocalyptic number.

20441146 is a deficient number, since it is larger than the sum of its proper divisors (14457542).

20441146 is a wasteful number, since it uses less digits than its factorization.

20441146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20441146 is about 4521.1885605447. The cubic root of 20441146 is about 273.4230226523.

Adding to 20441146 its reverse (64114402), we get a palindrome (84555548).

The spelling of 20441146 in words is "twenty million, four hundred forty-one thousand, one hundred forty-six".