1530202420 has 48 divisors (see below), whose sum is σ = 3363429888. Its totient is φ = 583672320.

The previous prime is 1530202409. The next prime is 1530202433. The reversal of 1530202420 is 242020351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150085 + ... + 159955.

It is an arithmetic number, because the mean of its divisors is an integer number (70071456).

Almost surely, 2^1530202420 is an apocalyptic number.

1530202420 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 1530202420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681714944).

1530202420 is an abundant number, since it is smaller than the sum of its proper divisors (1833227468).

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

1530202420 is a wasteful number, since it uses less digits than its factorization.

1530202420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10240 (or 10238 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1530202420 is about 39117.8018298575. The cubic root of 1530202420 is about 1152.3461667463.

Adding to 1530202420 its reverse (242020351), we get a palindrome (1772222771).

The spelling of 1530202420 in words is "one billion, five hundred thirty million, two hundred two thousand, four hundred twenty".