1020253244 has 48 divisors (see below), whose sum is σ = 1874750976. Its totient is φ = 485352000.

The previous prime is 1020253231. The next prime is 1020253253. The reversal of 1020253244 is 4423520201.

It is a happy number.

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, 1586387 + ... + 1587029.

It is an arithmetic number, because the mean of its divisors is an integer number (39057312).

Almost surely, 2^1020253244 is an apocalyptic number.

It is an amenable number.

1020253244 is a deficient number, since it is larger than the sum of its proper divisors (854497732).

1020253244 is a wasteful number, since it uses less digits than its factorization.

1020253244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1020253244 is about 31941.4032878958. The cubic root of 1020253244 is about 1006.7060102357.

Adding to 1020253244 its reverse (4423520201), we get a palindrome (5443773445).

The spelling of 1020253244 in words is "one billion, twenty million, two hundred fifty-three thousand, two hundred forty-four".