20041772 has 12 divisors (see below), whose sum is σ = 35151480. Its totient is φ = 9998496.

The previous prime is 20041771. The next prime is 20041783. The reversal of 20041772 is 27714002.

It is not an unprimeable number, because it can be changed into a prime (20041771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3497 + ... + 7232.

It is an arithmetic number, because the mean of its divisors is an integer number (2929290).

Almost surely, 2^20041772 is an apocalyptic number.

It is an amenable number.

20041772 is a deficient number, since it is larger than the sum of its proper divisors (15109708).

20041772 is a wasteful number, since it uses less digits than its factorization.

20041772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11200 (or 11198 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 20041772 is about 4476.8037705488. The cubic root of 20041772 is about 271.6306080001.

Adding to 20041772 its reverse (27714002), we get a palindrome (47755774).

The spelling of 20041772 in words is "twenty million, forty-one thousand, seven hundred seventy-two".