1520300000 has 144 divisors (see below), whose sum is σ = 3909687264. Its totient is φ = 580800000.

The previous prime is 1520299997. The next prime is 1520300009. The reversal of 1520300000 is 30251.

It is a super-2 number, since 2×1520300000² = 4622624180000000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520300009) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2299670 + ... + 2300330.

It is an arithmetic number, because the mean of its divisors is an integer number (27150606).

Almost surely, 2^1520300000 is an apocalyptic number.

1520300000 is a gapful number since it is divisible by the number (10) 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 1520300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1954843632).

1520300000 is an abundant number, since it is smaller than the sum of its proper divisors (2389387264).

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

1520300000 is an frugal number, since it uses more digits than its factorization.

1520300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 691 counting only the distinct ones).

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

The square root of 1520300000 is about 38991.0246082352. The cubic root of 1520300000 is about 1149.8550541956.

Adding to 1520300000 its reverse (30251), we get a palindrome (1520330251).

The spelling of 1520300000 in words is "one billion, five hundred twenty million, three hundred thousand".