1020744424 has 32 divisors (see below), whose sum is σ = 2190110400. Its totient is φ = 436901760.

The previous prime is 1020744421. The next prime is 1020744433. The reversal of 1020744424 is 4244470201.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1020744392 and 1020744401.

It is not an unprimeable number, because it can be changed into a prime (1020744421) 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, 34039 + ... + 56569.

It is an arithmetic number, because the mean of its divisors is an integer number (68440950).

Almost surely, 2^1020744424 is an apocalyptic number.

1020744424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1020744424 is an abundant number, since it is smaller than the sum of its proper divisors (1169365976).

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

1020744424 is a wasteful number, since it uses less digits than its factorization.

1020744424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23353 (or 23349 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 1020744424 is about 31949.0911294829. The cubic root of 1020744424 is about 1006.8675369713.

The spelling of 1020744424 in words is "one billion, twenty million, seven hundred forty-four thousand, four hundred twenty-four".