1020323204 has 12 divisors (see below), whose sum is σ = 1890599004. Its totient is φ = 480152064.

The previous prime is 1020323177. The next prime is 1020323209. The reversal of 1020323204 is 4023230201.

It can be written as a sum of positive squares in 2 ways, for example, as 951599104 + 68724100 = 30848^2 + 8290^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (1020323209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7502309 + ... + 7502444.

It is an arithmetic number, because the mean of its divisors is an integer number (157549917).

Almost surely, 2^1020323204 is an apocalyptic number.

It is an amenable number.

1020323204 is a deficient number, since it is larger than the sum of its proper divisors (870275800).

1020323204 is a wasteful number, since it uses less digits than its factorization.

1020323204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15004774 (or 15004772 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1020323204 is about 31942.4983994678. The cubic root of 1020323204 is about 1006.7290200597.

Adding to 1020323204 its reverse (4023230201), we get a palindrome (5043553405).

The spelling of 1020323204 in words is "one billion, twenty million, three hundred twenty-three thousand, two hundred four".