1020433640632 has 64 divisors (see below), whose sum is σ = 2233760256000. Its totient is φ = 427910294016.

The previous prime is 1020433640627. The next prime is 1020433640659. The reversal of 1020433640632 is 2360463340201.

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, 10265344 + ... + 10364272.

It is an arithmetic number, because the mean of its divisors is an integer number (34902504000).

Almost surely, 2^{1020433640632} 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 1020433640632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1116880128000).

1020433640632 is an abundant number, since it is smaller than the sum of its proper divisors (1213326615368).

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

1020433640632 is a wasteful number, since it uses less digits than its factorization.

1020433640632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102908 (or 102904 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 1020433640632 its reverse (2360463340201), we get a palindrome (3380896980833).

The spelling of 1020433640632 in words is "one trillion, twenty billion, four hundred thirty-three million, six hundred forty thousand, six hundred thirty-two".