20000005000000 has 224 divisors, whose sum is σ = 50819763260448. Its totient is φ = 7804800000000.

The previous prime is 20000004999991. The next prime is 20000005000039. The reversal of 20000005000000 is 50000002.

It can be written as a sum of positive squares in 16 ways, for example, as 276600261184 + 19723404738816 = 525928^2 + 4441104^2 .

It is a sliding number, since 20000005000000 = 5000000 + 20000000000000 and 1/5000000 + 1/20000000000000 = 0.00000020000005000000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204951220 + ... + 205048780.

It is an arithmetic number, because the mean of its divisors is an integer number (226873943127).

Almost surely, 2^{20000005000000} is an apocalyptic number.

20000005000000 is a gapful number since it is divisible by the number (20) 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 20000005000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25409881630224).

20000005000000 is an abundant number, since it is smaller than the sum of its proper divisors (30819758260448).

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

20000005000000 is an frugal number, since it uses more digits than its factorization.

20000005000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97649 (or 97609 counting only the distinct ones).

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

Adding to 20000005000000 its reverse (50000002), we get a palindrome (20000055000002).

It can be divided in two parts, 2000000 and 5000000, that multiplied together give a 13-th power (10000000000000 = 10¹³).

The spelling of 20000005000000 in words is "twenty trillion, five million", and thus it is an aban number and an uban number.