6515932020 has 96 divisors (see below), whose sum is σ = 19688592000. Its totient is φ = 1600611840.

The previous prime is 6515932013. The next prime is 6515932063. The reversal of 6515932020 is 202395156.

It is a super-2 number, since 2×6515932020² = 84914740178522560800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380850 + ... + 397590.

It is an arithmetic number, because the mean of its divisors is an integer number (205089500).

Almost surely, 2^6515932020 is an apocalyptic number.

6515932020 is a gapful number since it is divisible by the number (60) 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 6515932020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9844296000).

6515932020 is an abundant number, since it is smaller than the sum of its proper divisors (13172659980).

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

6515932020 is a wasteful number, since it uses less digits than its factorization.

6515932020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17265 (or 17263 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 6515932020 is about 80721.3232052102. The cubic root of 6515932020 is about 1867.7791148902.

It can be divided in two parts, 65159 and 32020, that added together give a palindrome (97179).

The spelling of 6515932020 in words is "six billion, five hundred fifteen million, nine hundred thirty-two thousand, twenty".