1020215330409 has 16 divisors (see below), whose sum is σ = 1489591977984. Its totient is φ = 615961318800.

The previous prime is 1020215330401. The next prime is 1020215330411. The reversal of 1020215330409 is 9040335120201.

It is not a de Polignac number, because 1020215330409 - 2³ = 1020215330401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020215330401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58766257 + ... + 58783614.

It is an arithmetic number, because the mean of its divisors is an integer number (93099498624).

Almost surely, 2^{1020215330409} is an apocalyptic number.

It is an amenable number.

1020215330409 is a deficient number, since it is larger than the sum of its proper divisors (469376647575).

1020215330409 is a wasteful number, since it uses less digits than its factorization.

1020215330409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117550148.

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 1020215330409 in words is "one trillion, twenty billion, two hundred fifteen million, three hundred thirty thousand, four hundred nine".