1020340004 has 6 divisors (see below), whose sum is σ = 1785595014. Its totient is φ = 510170000.

The previous prime is 1020340003. The next prime is 1020340021. The reversal of 1020340004 is 4000430201.

It can be written as a sum of positive squares in only one way, i.e., 890425600 + 129914404 = 29840^2 + 11398^2 .

It is not an unprimeable number, because it can be changed into a prime (1020340003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127542497 + ... + 127542504.

It is an arithmetic number, because the mean of its divisors is an integer number (297599169).

Almost surely, 2^1020340004 is an apocalyptic number.

It is an amenable number.

1020340004 is a deficient number, since it is larger than the sum of its proper divisors (765255010).

1020340004 is a wasteful number, since it uses less digits than its factorization.

1020340004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255085005 (or 255085003 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1020340004 is about 31942.7613709272. The cubic root of 1020340004 is about 1006.7345454183.

Adding to 1020340004 its reverse (4000430201), we get a palindrome (5020770205).

The spelling of 1020340004 in words is "one billion, twenty million, three hundred forty thousand, four".