20041072 has 20 divisors (see below), whose sum is σ = 38900536. Its totient is φ = 10002240.

The previous prime is 20041051. The next prime is 20041081. The reversal of 20041072 is 27014002.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13822 + ... + 15202.

Almost surely, 2^20041072 is an apocalyptic number.

It is an amenable number.

20041072 is a deficient number, since it is larger than the sum of its proper divisors (18859464).

20041072 is a wasteful number, since it uses less digits than its factorization.

20041072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 2290 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 20041072 is about 4476.7255890885. The cubic root of 20041072 is about 271.6274455445.

Adding to 20041072 its reverse (27014002), we get a palindrome (47055074).

The spelling of 20041072 in words is "twenty million, forty-one thousand, seventy-two".