515352020 has 24 divisors (see below), whose sum is σ = 1100584800. Its totient is φ = 202646432.

The previous prime is 515352017. The next prime is 515352023. The reversal of 515352020 is 20253515.

It is an interprime number because it is at equal distance from previous prime (515352017) and next prime (515352023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515352023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217190 + ... + 219549.

It is an arithmetic number, because the mean of its divisors is an integer number (45857700).

Almost surely, 2^515352020 is an apocalyptic number.

It is an amenable number.

515352020 is an abundant number, since it is smaller than the sum of its proper divisors (585232780).

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

515352020 is a wasteful number, since it uses less digits than its factorization.

515352020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436807 (or 436805 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 515352020 is about 22701.3660381925. The cubic root of 515352020 is about 801.7420475843.

The spelling of 515352020 in words is "five hundred fifteen million, three hundred fifty-two thousand, twenty".