1020255044 has 12 divisors (see below), whose sum is σ = 1795768044. Its totient is φ = 507178464.

The previous prime is 1020255037. The next prime is 1020255053. The reversal of 1020255044 is 4405520201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 371024644 + 649230400 = 19262^2 + 25480^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736487 + ... + 737870.

It is an arithmetic number, because the mean of its divisors is an integer number (149647337).

Almost surely, 2^1020255044 is an apocalyptic number.

It is an amenable number.

1020255044 is a deficient number, since it is larger than the sum of its proper divisors (775513000).

1020255044 is a wasteful number, since it uses less digits than its factorization.

1020255044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474534 (or 1474532 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1020255044 is about 31941.4314644789. The cubic root of 1020255044 is about 1006.7066022683.

Adding to 1020255044 its reverse (4405520201), we get a palindrome (5425775245).

The spelling of 1020255044 in words is "one billion, twenty million, two hundred fifty-five thousand, forty-four".