1020432444 has 48 divisors (see below), whose sum is σ = 2502759168. Its totient is φ = 322968448.

The previous prime is 1020432443. The next prime is 1020432521. The reversal of 1020432444 is 4442340201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020432443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24319 + ... + 51305.

It is an arithmetic number, because the mean of its divisors is an integer number (52140816).

Almost surely, 2^1020432444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020432444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251379584).

1020432444 is an abundant number, since it is smaller than the sum of its proper divisors (1482326724).

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

1020432444 is a wasteful number, since it uses less digits than its factorization.

1020432444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27154 (or 27152 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1020432444 is about 31944.2083013494. The cubic root of 1020432444 is about 1006.7649469611.

Adding to 1020432444 its reverse (4442340201), we get a palindrome (5462772645).

The spelling of 1020432444 in words is "one billion, twenty million, four hundred thirty-two thousand, four hundred forty-four".