1020543424 has 28 divisors (see below), whose sum is σ = 2072242744. Its totient is φ = 498403584.

The previous prime is 1020543413. The next prime is 1020543449. The reversal of 1020543424 is 4243450201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182667 + ... + 188170.

Almost surely, 2^1020543424 is an apocalyptic number.

It is an amenable number.

1020543424 is an abundant number, since it is smaller than the sum of its proper divisors (1051699320).

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

1020543424 is an equidigital number, since it uses as much as digits as its factorization.

1020543424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370892 (or 370882 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1020543424 is about 31945.9453452234. The cubic root of 1020543424 is about 1006.8014434890.

Adding to 1020543424 its reverse (4243450201), we get a palindrome (5263993625).

The spelling of 1020543424 in words is "one billion, twenty million, five hundred forty-three thousand, four hundred twenty-four".