1020034044 has 72 divisors (see below), whose sum is σ = 2718363648. Its totient is φ = 322025760.

The previous prime is 1020034031. The next prime is 1020034049. The reversal of 1020034044 is 4404300201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020034049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42729 + ... + 62175.

Almost surely, 2^1020034044 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 1020034044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1359181824).

1020034044 is an abundant number, since it is smaller than the sum of its proper divisors (1698329604).

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

1020034044 is a wasteful number, since it uses less digits than its factorization.

1020034044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19535 (or 19530 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1020034044 is about 31937.9718203896. The cubic root of 1020034044 is about 1006.6339086066.

Adding to 1020034044 its reverse (4404300201), we get a palindrome (5424334245).

It can be divided in two parts, 10200 and 34044, that added together give a palindrome (44244).

The spelling of 1020034044 in words is "one billion, twenty million, thirty-four thousand, forty-four".