1020291944 has 32 divisors (see below), whose sum is σ = 2301412800. Its totient is φ = 414253440.

The previous prime is 1020291919. The next prime is 1020291967. The reversal of 1020291944 is 4491920201.

1020291944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1020291944.

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, 478397 + ... + 480524.

It is an arithmetic number, because the mean of its divisors is an integer number (71919150).

Almost surely, 2^1020291944 is an apocalyptic number.

1020291944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1020291944 is an abundant number, since it is smaller than the sum of its proper divisors (1281120856).

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

1020291944 is a wasteful number, since it uses less digits than its factorization.

1020291944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958953 (or 958949 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1020291944 is about 31942.0090789543. The cubic root of 1020291944 is about 1006.7187387846.

The spelling of 1020291944 in words is "one billion, twenty million, two hundred ninety-one thousand, nine hundred forty-four".