1530604220 has 24 divisors (see below), whose sum is σ = 3220460208. Its totient is φ = 611062400.

The previous prime is 1530604211. The next prime is 1530604241. The reversal of 1530604220 is 224060351.

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, 63026 + ... + 83865.

It is an arithmetic number, because the mean of its divisors is an integer number (134185842).

Almost surely, 2^1530604220 is an apocalyptic number.

1530604220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530604220 is an abundant number, since it is smaller than the sum of its proper divisors (1689855988).

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

1530604220 is a wasteful number, since it uses less digits than its factorization.

1530604220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147421 (or 147419 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1530604220 is about 39122.9372619184. The cubic root of 1530604220 is about 1152.4470188000.

Adding to 1530604220 its reverse (224060351), we get a palindrome (1754664571).

The spelling of 1530604220 in words is "one billion, five hundred thirty million, six hundred four thousand, two hundred twenty".