1552535020 has 48 divisors (see below), whose sum is σ = 3348656640. Its totient is φ = 604339904.

The previous prime is 1552534999. The next prime is 1552535051. The reversal of 1552535020 is 205352551.

It is a self number, because there is not a number n which added to its sum of digits gives 1552535020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163647 + ... + 172873.

It is an arithmetic number, because the mean of its divisors is an integer number (69763680).

Almost surely, 2^1552535020 is an apocalyptic number.

1552535020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552535020 is an abundant number, since it is smaller than the sum of its proper divisors (1796121620).

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

1552535020 is a wasteful number, since it uses less digits than its factorization.

1552535020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9462 (or 9460 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 1552535020 is about 39402.2210033902. The cubic root of 1552535020 is about 1157.9251007762.

Adding to 1552535020 its reverse (205352551), we get a palindrome (1757887571).

The spelling of 1552535020 in words is "one billion, five hundred fifty-two million, five hundred thirty-five thousand, twenty".