50203221320 has 32 divisors (see below), whose sum is σ = 129093998400. Its totient is φ = 17212532928.

The previous prime is 50203221311. The next prime is 50203221329. The reversal of 50203221320 is 2312230205.

It is an interprime number because it is at equal distance from previous prime (50203221311) and next prime (50203221329).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 50203221292 and 50203221301.

It is not an unprimeable number, because it can be changed into a prime (50203221329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89648330 + ... + 89648889.

It is an arithmetic number, because the mean of its divisors is an integer number (4034187450).

Almost surely, 2^50203221320 is an apocalyptic number.

It is an amenable number.

50203221320 is an abundant number, since it is smaller than the sum of its proper divisors (78890777080).

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

50203221320 is a wasteful number, since it uses less digits than its factorization.

50203221320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179297237 (or 179297233 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 50203221320 its reverse (2312230205), we get a palindrome (52515451525).

The spelling of 50203221320 in words is "fifty billion, two hundred three million, two hundred twenty-one thousand, three hundred twenty".