20411037 has 12 divisors (see below), whose sum is σ = 29522844. Its totient is φ = 13588800.

The previous prime is 20411029. The next prime is 20411057. The reversal of 20411037 is 73011402.

It can be written as a sum of positive squares in 2 ways, for example, as 5503716 + 14907321 = 2346^2 + 3861^2 .

It is not a de Polignac number, because 20411037 - 2³ = 20411029 is a prime.

It is a super-2 number, since 2×20411037² = 833220862830738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411057) 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, 9787 + ... + 11687.

It is an arithmetic number, because the mean of its divisors is an integer number (2460237).

Almost surely, 2^20411037 is an apocalyptic number.

It is an amenable number.

20411037 is a deficient number, since it is larger than the sum of its proper divisors (9111807).

20411037 is a wasteful number, since it uses less digits than its factorization.

20411037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100 (or 3097 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 20411037 is about 4517.8575674760. The cubic root of 20411037 is about 273.2887095835.

Adding to 20411037 its reverse (73011402), we get a palindrome (93422439).

The spelling of 20411037 in words is "twenty million, four hundred eleven thousand, thirty-seven".