20130050000 has 60 divisors (see below), whose sum is σ = 48749465772. Its totient is φ = 8052000000.

The previous prime is 20130049999. The next prime is 20130050093. The reversal of 20130050000 is 5003102.

It can be written as a sum of positive squares in 6 ways, for example, as 12929509264 + 7200540736 = 113708^2 + 84856^2 .

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 11 ways as a sum of consecutive naturals, for example, 151301 + ... + 251300.

Almost surely, 2^20130050000 is an apocalyptic number.

20130050000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130050000 is an abundant number, since it is smaller than the sum of its proper divisors (28619415772).

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

20130050000 is an frugal number, since it uses more digits than its factorization.

20130050000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402634 (or 402608 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

Adding to 20130050000 its reverse (5003102), we get a palindrome (20135053102).

It can be divided in two parts, 20 and 130050000, that multiplied together give a square (2601000000 = 51000²).

The spelling of 20130050000 in words is "twenty billion, one hundred thirty million, fifty thousand".