50000000000020 has 24 divisors (see below), whose sum is σ = 120000000000384. Its totient is φ = 17142857142816.

The previous prime is 49999999999981. The next prime is 50000000000053. The reversal of 50000000000020 is 2000000000005.

It is a sliding number, since 50000000000020 = 20 + 50000000000000 and 1/20 + 1/50000000000000 = 0.050000000000020.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a junction number, because it is equal to n+sod(n) for n = 49999999999913 and 50000000000012.

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, 178571428432 + ... + 178571428711.

It is an arithmetic number, because the mean of its divisors is an integer number (5000000000016).

Almost surely, 2^{50000000000020} is an apocalyptic number.

It is an amenable number.

50000000000020 is an abundant number, since it is smaller than the sum of its proper divisors (70000000000364).

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

50000000000020 is a wasteful number, since it uses less digits than its factorization.

50000000000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357142857159 (or 357142857157 counting only the distinct ones).

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

Adding to 50000000000020 its reverse (2000000000005), we get a palindrome (52000000000025).

It can be divided in two parts, 500000000000 and 20, that multiplied together give a 13-th power (10000000000000 = 10¹³).

The spelling of 50000000000020 in words is "fifty trillion, twenty", and thus it is an aban number and an uban number.