20411006 has 24 divisors (see below), whose sum is σ = 38463600. Its totient is φ = 7951680.

The previous prime is 20411003. The next prime is 20411011. The reversal of 20411006 is 60011402.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4331 + ... + 7718.

It is an arithmetic number, because the mean of its divisors is an integer number (1602650).

Almost surely, 2^20411006 is an apocalyptic number.

20411006 is a deficient number, since it is larger than the sum of its proper divisors (18052594).

20411006 is a wasteful number, since it uses less digits than its factorization.

20411006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12080 (or 12069 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 20411006 is about 4517.8541366450. The cubic root of 20411006 is about 273.2885712277.

Adding to 20411006 its reverse (60011402), we get a palindrome (80422408).

The spelling of 20411006 in words is "twenty million, four hundred eleven thousand, six".