1020444412 has 48 divisors (see below), whose sum is σ = 1971446400. Its totient is φ = 459276480.

The previous prime is 1020444409. The next prime is 1020444421. The reversal of 1020444412 is 2144440201.

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, 400639 + ... + 403177.

It is an arithmetic number, because the mean of its divisors is an integer number (41071800).

Almost surely, 2^1020444412 is an apocalyptic number.

It is an amenable number.

1020444412 is a deficient number, since it is larger than the sum of its proper divisors (951001988).

1020444412 is a wasteful number, since it uses less digits than its factorization.

1020444412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746 (or 2744 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1020444412 is about 31944.3956274023. The cubic root of 1020444412 is about 1006.7688828466.

Adding to 1020444412 its reverse (2144440201), we get a palindrome (3164884613).

The spelling of 1020444412 in words is "one billion, twenty million, four hundred forty-four thousand, four hundred twelve".