50020000000000 has 528 divisors, whose sum is σ = 130168210224780. Its totient is φ = 19200000000000.

The previous prime is 50019999999961. The next prime is 50020000000001. The reversal of 50020000000000 is 2005.

It can be written as a sum of positive squares in 22 ways, for example, as 11842628281344 + 38177371718656 = 3441312^2 + 6178784^2 .

It is a sliding number, since 50020000000000 = 20000000000 + 50000000000000 and 1/20000000000 + 1/50000000000000 = 0.000000000050020000000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50020000000001) by changing a digit.

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 43 ways as a sum of consecutive naturals, for example, 819999999970 + ... + 820000000030.

Almost surely, 2^{50020000000000} is an apocalyptic number.

50020000000000 is a gapful number since it is divisible by the number (50) 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 50020000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65084105112390).

50020000000000 is an abundant number, since it is smaller than the sum of its proper divisors (80148210224780).

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

50020000000000 is an frugal number, since it uses more digits than its factorization.

50020000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 7.

Adding to 50020000000000 its reverse (2005), we get a palindrome (50020000002005).

It can be divided in two parts, 500 and 20000000000, that multiplied together give a 13-th power (10000000000000 = 10¹³).

The spelling of 50020000000000 in words is "fifty trillion, twenty billion", and thus it is an aban number and an uban number.