20411036 has 6 divisors (see below), whose sum is σ = 35719320. Its totient is φ = 10205516.

The previous prime is 20411029. The next prime is 20411057. The reversal of 20411036 is 63011402.

It is a super-2 number, since 2×20411036² = 833220781186592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2551376 + ... + 2551383.

It is an arithmetic number, because the mean of its divisors is an integer number (5953220).

Almost surely, 2^20411036 is an apocalyptic number.

It is an amenable number.

20411036 is a deficient number, since it is larger than the sum of its proper divisors (15308284).

20411036 is a wasteful number, since it uses less digits than its factorization.

20411036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102763 (or 5102761 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 20411036 is about 4517.8574568041. The cubic root of 20411036 is about 273.2887051204.

Adding to 20411036 its reverse (63011402), we get a palindrome (83422438).

The spelling of 20411036 in words is "twenty million, four hundred eleven thousand, thirty-six".