1020043204 has 6 divisors (see below), whose sum is σ = 1785075614. Its totient is φ = 510021600.

The previous prime is 1020043201. The next prime is 1020043217. The reversal of 1020043204 is 4023400201.

It can be written as a sum of positive squares in only one way, i.e., 801003204 + 219040000 = 28302^2 + 14800^2 .

It is not an unprimeable number, because it can be changed into a prime (1020043201) 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 as a sum of consecutive naturals, namely, 127505397 + ... + 127505404.

Almost surely, 2^1020043204 is an apocalyptic number.

It is an amenable number.

1020043204 is a deficient number, since it is larger than the sum of its proper divisors (765032410).

1020043204 is a wasteful number, since it uses less digits than its factorization.

1020043204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255010805 (or 255010803 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1020043204 is about 31938.1152230372. The cubic root of 1020043204 is about 1006.6369218194.

Adding to 1020043204 its reverse (4023400201), we get a palindrome (5043443405).

The spelling of 1020043204 in words is "one billion, twenty million, forty-three thousand, two hundred four".