1020021232 has 40 divisors (see below), whose sum is σ = 2128712960. Its totient is φ = 471925440.

The previous prime is 1020021229. The next prime is 1020021259. The reversal of 1020021232 is 2321200201.

1020021232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 25944 + ... + 52087.

It is an arithmetic number, because the mean of its divisors is an integer number (53217824).

Almost surely, 2^1020021232 is an apocalyptic number.

It is an amenable number.

1020021232 is an abundant number, since it is smaller than the sum of its proper divisors (1108691728).

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

1020021232 is a wasteful number, since it uses less digits than its factorization.

1020021232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78101 (or 78095 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1020021232 is about 31937.7712434666. The cubic root of 1020021232 is about 1006.6296940258.

Adding to 1020021232 its reverse (2321200201), we get a palindrome (3341221433).

The spelling of 1020021232 in words is "one billion, twenty million, twenty-one thousand, two hundred thirty-two".