1020035004 has 48 divisors (see below), whose sum is σ = 2494851072. Its totient is φ = 323750592.

The previous prime is 1020034999. The next prime is 1020035033. The reversal of 1020035004 is 4005300201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53262 + ... + 69834.

It is an arithmetic number, because the mean of its divisors is an integer number (51976064).

Almost surely, 2^1020035004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020035004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1247425536).

1020035004 is an abundant number, since it is smaller than the sum of its proper divisors (1474816068).

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

1020035004 is a wasteful number, since it uses less digits than its factorization.

1020035004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16826 (or 16824 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1020035004 is about 31937.9868495182. The cubic root of 1020035004 is about 1006.6342244027.

Adding to 1020035004 its reverse (4005300201), we get a palindrome (5025335205).

The spelling of 1020035004 in words is "one billion, twenty million, thirty-five thousand, four".