50115204220 has 24 divisors (see below), whose sum is σ = 105261535008. Its totient is φ = 20042347200.

The previous prime is 50115204211. The next prime is 50115204277. The reversal of 50115204220 is 2240251105.

It is a junction number, because it is equal to n+sod(n) for n = 50115204191 and 50115204200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122071 + ... + 339310.

It is an arithmetic number, because the mean of its divisors is an integer number (4385897292).

Almost surely, 2^50115204220 is an apocalyptic number.

It is an amenable number.

50115204220 is an abundant number, since it is smaller than the sum of its proper divisors (55146330788).

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

50115204220 is a wasteful number, since it uses less digits than its factorization.

50115204220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466821 (or 466819 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 50115204220 its reverse (2240251105), we get a palindrome (52355455325).

The spelling of 50115204220 in words is "fifty billion, one hundred fifteen million, two hundred four thousand, two hundred twenty".