20205142413 has 16 divisors (see below), whose sum is σ = 28565649216. Its totient is φ = 12659628800.

The previous prime is 20205142381. The next prime is 20205142439. The reversal of 20205142413 is 31424150202.

It is a cyclic number.

It is not a de Polignac number, because 20205142413 - 2⁵ = 20205142381 is a prime.

It is a super-2 number, since 2×20205142413² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20205142453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246831 + ... + 318332.

It is an arithmetic number, because the mean of its divisors is an integer number (1785353076).

Almost surely, 2^20205142413 is an apocalyptic number.

It is an amenable number.

20205142413 is a deficient number, since it is larger than the sum of its proper divisors (8360506803).

20205142413 is a wasteful number, since it uses less digits than its factorization.

20205142413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565884.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20205142413 its reverse (31424150202), we get a palindrome (51629292615).

The spelling of 20205142413 in words is "twenty billion, two hundred five million, one hundred forty-two thousand, four hundred thirteen".