1042352020 has 24 divisors (see below), whose sum is σ = 2242329768. Its totient is φ = 406771200.

The previous prime is 1042352011. The next prime is 1042352023. The reversal of 1042352020 is 202532401.

It can be written as a sum of positive squares in 4 ways, for example, as 5769604 + 1036582416 = 2402^2 + 32196^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042352023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 634761 + ... + 636400.

It is an arithmetic number, because the mean of its divisors is an integer number (93430407).

Almost surely, 2^1042352020 is an apocalyptic number.

1042352020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042352020 is an abundant number, since it is smaller than the sum of its proper divisors (1199977748).

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

1042352020 is a wasteful number, since it uses less digits than its factorization.

1042352020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271211 (or 1271209 counting only the distinct ones).

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

The square root of 1042352020 is about 32285.4769207456. The cubic root of 1042352020 is about 1013.9226015848.

Adding to 1042352020 its reverse (202532401), we get a palindrome (1244884421).

The spelling of 1042352020 in words is "one billion, forty-two million, three hundred fifty-two thousand, twenty".