50220018850000 has 60 divisors (see below), whose sum is σ = 121618824170508. Its totient is φ = 20088007520000.

The previous prime is 50220018849997. The next prime is 50220018850081. The reversal of 50220018850000 is 5881002205.

It can be written as a sum of positive squares in 6 ways, for example, as 43522150625424 + 6697868224576 = 6597132^2 + 2588024^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 502150189 + ... + 502250188.

Almost surely, 2^{50220018850000} is an apocalyptic number.

50220018850000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50220018850000 is an abundant number, since it is smaller than the sum of its proper divisors (71398805320508).

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

50220018850000 is an equidigital number, since it uses as much as digits as its factorization.

50220018850000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004400410 (or 1004400384 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

Adding to 50220018850000 its reverse (5881002205), we get a palindrome (50225899852205).

The spelling of 50220018850000 in words is "fifty trillion, two hundred twenty billion, eighteen million, eight hundred fifty thousand".