1001020344 has 32 divisors (see below), whose sum is σ = 2503336320. Its totient is φ = 333568736.

The previous prime is 1001020337. The next prime is 1001020351. The reversal of 1001020344 is 4430201001.

It is an interprime number because it is at equal distance from previous prime (1001020337) and next prime (1001020351).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127789 + ... + 135395.

It is an arithmetic number, because the mean of its divisors is an integer number (78229260).

Almost surely, 2^1001020344 is an apocalyptic number.

It is an amenable number.

1001020344 is an abundant number, since it is smaller than the sum of its proper divisors (1502315976).

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

1001020344 is a wasteful number, since it uses less digits than its factorization.

1001020344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13099 (or 13095 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1001020344 is about 31638.9055436499. The cubic root of 1001020344 is about 1000.3399990542.

Adding to 1001020344 its reverse (4430201001), we get a palindrome (5431221345).

The spelling of 1001020344 in words is "one billion, one million, twenty thousand, three hundred forty-four".