20413525446260 has 96 divisors (see below), whose sum is σ = 44976439613952. Its totient is φ = 7767785822720.

The previous prime is 20413525446241. The next prime is 20413525446289. The reversal of 20413525446260 is 6264452531402.

It is a happy number.

It is a super-2 number, since 2×20413525446260² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245629274 + ... + 245712366.

It is an arithmetic number, because the mean of its divisors is an integer number (468504579312).

Almost surely, 2^{20413525446260} is an apocalyptic number.

20413525446260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20413525446260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22488219806976).

20413525446260 is an abundant number, since it is smaller than the sum of its proper divisors (24562914167692).

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

20413525446260 is a wasteful number, since it uses less digits than its factorization.

20413525446260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86033 (or 86031 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

Adding to 20413525446260 its reverse (6264452531402), we get a palindrome (26677977977662).

The spelling of 20413525446260 in words is "twenty trillion, four hundred thirteen billion, five hundred twenty-five million, four hundred forty-six thousand, two hundred sixty".