1020321414355 has 16 divisors (see below), whose sum is σ = 1283417349984. Its totient is φ = 777828683520.

The previous prime is 1020321414319. The next prime is 1020321414367. The reversal of 1020321414355 is 5534141230201.

It is not a de Polignac number, because 1020321414355 - 2¹⁵ = 1020321381587 is a prime.

It is a Duffinian 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, 57865344 + ... + 57882973.

It is an arithmetic number, because the mean of its divisors is an integer number (80213584374).

Almost surely, 2^{1020321414355} is an apocalyptic number.

1020321414355 is a deficient number, since it is larger than the sum of its proper divisors (263095935629).

1020321414355 is a wasteful number, since it uses less digits than its factorization.

1020321414355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115748406.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1020321414355 its reverse (5534141230201), we get a palindrome (6554462644556).

The spelling of 1020321414355 in words is "one trillion, twenty billion, three hundred twenty-one million, four hundred fourteen thousand, three hundred fifty-five".