513161152220 has 24 divisors (see below), whose sum is σ = 1079319629808. Its totient is φ = 204944230400.

The previous prime is 513161152201. The next prime is 513161152237. The reversal of 513161152220 is 22251161315.

It is a super-3 number, since 3×513161152220³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20001266 + ... + 20026905.

It is an arithmetic number, because the mean of its divisors is an integer number (44971651242).

Almost surely, 2^513161152220 is an apocalyptic number.

It is an amenable number.

513161152220 is an abundant number, since it is smaller than the sum of its proper divisors (566158477588).

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

513161152220 is a wasteful number, since it uses less digits than its factorization.

513161152220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40028821 (or 40028819 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 513161152220 in words is "five hundred thirteen billion, one hundred sixty-one million, one hundred fifty-two thousand, two hundred twenty".