20413011024440 has 16 divisors (see below), whose sum is σ = 45929274805080. Its totient is φ = 8165204409760.

The previous prime is 20413011024389. The next prime is 20413011024479. The reversal of 20413011024440 is 4442011031402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255162637766 + ... + 255162637845.

Almost surely, 2^{20413011024440} is an apocalyptic number.

20413011024440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20413011024440 is an abundant number, since it is smaller than the sum of its proper divisors (25516263780640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20413011024440 is a wasteful number, since it uses less digits than its factorization.

20413011024440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510325275622 (or 510325275618 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 20413011024440 its reverse (4442011031402), we get a palindrome (24855022055842).

The spelling of 20413011024440 in words is "twenty trillion, four hundred thirteen billion, eleven million, twenty-four thousand, four hundred forty".