20413011 has 16 divisors (see below), whose sum is σ = 29427200. Its totient is φ = 12542688.

The previous prime is 20412991. The next prime is 20413021. The reversal of 20413011 is 11031402.

It is a happy number.

It is not a de Polignac number, because 20413011 - 2⁹ = 20412499 is a prime.

It is a super-2 number, since 2×20413011² = 833382036172242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20413021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2731 + ... + 6948.

It is an arithmetic number, because the mean of its divisors is an integer number (1839200).

Almost surely, 2^20413011 is an apocalyptic number.

20413011 is a deficient number, since it is larger than the sum of its proper divisors (9014189).

20413011 is a wasteful number, since it uses less digits than its factorization.

20413011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9738.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 20413011 is about 4518.0760285768. The cubic root of 20413011 is about 273.2975194335.

Adding to 20413011 its reverse (11031402), we get a palindrome (31444413).

The spelling of 20413011 in words is "twenty million, four hundred thirteen thousand, eleven".