1530950820 has 48 divisors (see below), whose sum is σ = 4899043968. Its totient is φ = 349931520.

The previous prime is 1530950819. The next prime is 1530950843. The reversal of 1530950820 is 280590351.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1822141 + ... + 1822980.

It is an arithmetic number, because the mean of its divisors is an integer number (102063416).

Almost surely, 2^1530950820 is an apocalyptic number.

1530950820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530950820 is an abundant number, since it is smaller than the sum of its proper divisors (3368093148).

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

1530950820 is a wasteful number, since it uses less digits than its factorization.

1530950820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645140 (or 3645138 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 1530950820 is about 39127.3666376872. The cubic root of 1530950820 is about 1152.5340014405.

The spelling of 1530950820 in words is "one billion, five hundred thirty million, nine hundred fifty thousand, eight hundred twenty".