245305341242020 has 24 divisors (see below), whose sum is σ = 515141654227200. Its totient is φ = 98122053140832.

The previous prime is 245305341241993. The next prime is 245305341242033. The reversal of 245305341242020 is 20242143503542.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22522221 + ... + 31588939.

It is an arithmetic number, because the mean of its divisors is an integer number (21464235592800).

Almost surely, 2^{245305341242020} is an apocalyptic number.

245305341242020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245305341242020 is an abundant number, since it is smaller than the sum of its proper divisors (269836312985180).

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

245305341242020 is a wasteful number, since it uses less digits than its factorization.

245305341242020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10419507 (or 10419505 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 245305341242020 its reverse (20242143503542), we get a palindrome (265547484745562).

The spelling of 245305341242020 in words is "two hundred forty-five trillion, three hundred five billion, three hundred forty-one million, two hundred forty-two thousand, twenty".