20413504344530 has 16 divisors (see below), whose sum is σ = 40084699440384. Its totient is φ = 7423092488880.

The previous prime is 20413504344521. The next prime is 20413504344533. The reversal of 20413504344530 is 3544340531402.

It is a super-2 number, since 2×20413504344530² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20413504344533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92788656002 + ... + 92788656221.

It is an arithmetic number, because the mean of its divisors is an integer number (2505293715024).

Almost surely, 2^{20413504344530} is an apocalyptic number.

20413504344530 is a deficient number, since it is larger than the sum of its proper divisors (19671195095854).

20413504344530 is a wasteful number, since it uses less digits than its factorization.

20413504344530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185577312241.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 20413504344530 its reverse (3544340531402), we get a palindrome (23957844875932).

The spelling of 20413504344530 in words is "twenty trillion, four hundred thirteen billion, five hundred four million, three hundred forty-four thousand, five hundred thirty".