1010552420 has 48 divisors (see below), whose sum is σ = 2301829488. Its totient is φ = 371159040.

The previous prime is 1010552401. The next prime is 1010552429. The reversal of 1010552420 is 242550101.

It can be written as a sum of positive squares in 8 ways, for example, as 10601536 + 999950884 = 3256^2 + 31622^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1010552392 and 1010552401.

It is not an unprimeable number, because it can be changed into a prime (1010552429) by changing a digit.

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, 22307 + ... + 50186.

It is an arithmetic number, because the mean of its divisors is an integer number (47954781).

Almost surely, 2^1010552420 is an apocalyptic number.

1010552420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010552420 is an abundant number, since it is smaller than the sum of its proper divisors (1291277068).

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

1010552420 is a wasteful number, since it uses less digits than its factorization.

1010552420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72560 (or 72558 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1010552420 is about 31789.1871553835. The cubic root of 1010552420 is about 1003.5051727423.

The spelling of 1010552420 in words is "one billion, ten million, five hundred fifty-two thousand, four hundred twenty".