513043220000 has 120 divisors (see below), whose sum is σ = 1263196097856. Its totient is φ = 205049376000.

The previous prime is 513043219981. The next prime is 513043220059. The reversal of 513043220000 is 22340315.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26050157 + ... + 26069843.

Almost surely, 2^513043220000 is an apocalyptic number.

513043220000 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 513043220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631598048928).

513043220000 is an abundant number, since it is smaller than the sum of its proper divisors (750152877856).

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

513043220000 is a wasteful number, since it uses less digits than its factorization.

513043220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21020 (or 20997 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 513043220000 its reverse (22340315), we get a palindrome (513065560315).

The spelling of 513043220000 in words is "five hundred thirteen billion, forty-three million, two hundred twenty thousand".