1020432133144 has 64 divisors (see below), whose sum is σ = 2091383712000. Its totient is φ = 464919880320.

The previous prime is 1020432133129. The next prime is 1020432133157. The reversal of 1020432133144 is 4413312340201.

It is a happy number.

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, 719199 + ... + 1599409.

It is an arithmetic number, because the mean of its divisors is an integer number (32677870500).

Almost surely, 2^{1020432133144} is an apocalyptic number.

It is an amenable number.

1020432133144 is an abundant number, since it is smaller than the sum of its proper divisors (1070951578856).

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

1020432133144 is a wasteful number, since it uses less digits than its factorization.

1020432133144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880528 (or 880524 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1020432133144 its reverse (4413312340201), we get a palindrome (5433744473345).

The spelling of 1020432133144 in words is "one trillion, twenty billion, four hundred thirty-two million, one hundred thirty-three thousand, one hundred forty-four".