245401035220 has 96 divisors (see below), whose sum is σ = 577383811200. Its totient is φ = 86855232000.

The previous prime is 245401035211. The next prime is 245401035247. The reversal of 245401035220 is 22530104542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1217386 + ... + 1404574.

It is an arithmetic number, because the mean of its divisors is an integer number (6014414700).

Almost surely, 2^245401035220 is an apocalyptic number.

245401035220 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 245401035220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288691905600).

245401035220 is an abundant number, since it is smaller than the sum of its proper divisors (331982775980).

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

245401035220 is a wasteful number, since it uses less digits than its factorization.

245401035220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187369 (or 187367 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 245401035220 its reverse (22530104542), we get a palindrome (267931139762).

The spelling of 245401035220 in words is "two hundred forty-five billion, four hundred one million, thirty-five thousand, two hundred twenty".