1012020432 has 40 divisors (see below), whose sum is σ = 2618686560. Its totient is φ = 336785280.

The previous prime is 1012020409. The next prime is 1012020463. The reversal of 1012020432 is 2340202101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12682 + ... + 46742.

It is an arithmetic number, because the mean of its divisors is an integer number (65467164).

Almost surely, 2^1012020432 is an apocalyptic number.

1012020432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012020432 is an abundant number, since it is smaller than the sum of its proper divisors (1606666128).

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

1012020432 is a wasteful number, since it uses less digits than its factorization.

1012020432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34691 (or 34685 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1012020432 is about 31812.2685767614. The cubic root of 1012020432 is about 1003.9908624957.

Adding to 1012020432 its reverse (2340202101), we get a palindrome (3352222533).

The spelling of 1012020432 in words is "one billion, twelve million, twenty thousand, four hundred thirty-two".