1020584881438 has 16 divisors (see below), whose sum is σ = 1572357281904. Its totient is φ = 496467627840.

The previous prime is 1020584881423. The next prime is 1020584881441. The reversal of 1020584881438 is 8341884850201.

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, 675381 + ... + 1580287.

It is an arithmetic number, because the mean of its divisors is an integer number (98272330119).

Almost surely, 2^{1020584881438} is an apocalyptic number.

1020584881438 is a deficient number, since it is larger than the sum of its proper divisors (551772400466).

1020584881438 is a wasteful number, since it uses less digits than its factorization.

1020584881438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920187.

The product of its (nonzero) digits is 1966080, while the sum is 52.

The spelling of 1020584881438 in words is "one trillion, twenty billion, five hundred eighty-four million, eight hundred eighty-one thousand, four hundred thirty-eight".