1024445020 has 24 divisors (see below), whose sum is σ = 2172639168. Its totient is φ = 405720000.

The previous prime is 1024444999. The next prime is 1024445027. The reversal of 1024445020 is 205444201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1024444982 and 1024445000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024445027) 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 7 ways as a sum of consecutive naturals, for example, 251556 + ... + 255595.

It is an arithmetic number, because the mean of its divisors is an integer number (90526632).

Almost surely, 2^1024445020 is an apocalyptic number.

1024445020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024445020 is an abundant number, since it is smaller than the sum of its proper divisors (1148194148).

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

1024445020 is a wasteful number, since it uses less digits than its factorization.

1024445020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507261 (or 507259 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1024445020 is about 32006.9526821908. The cubic root of 1024445020 is about 1008.0828318070.

Adding to 1024445020 its reverse (205444201), we get a palindrome (1229889221).

The spelling of 1024445020 in words is "one billion, twenty-four million, four hundred forty-five thousand, twenty".