1020213102305 has 16 divisors (see below), whose sum is σ = 1230936182784. Its totient is φ = 811718723520.

The previous prime is 1020213102289. The next prime is 1020213102319. The reversal of 1020213102305 is 5032013120201.

It is not a de Polignac number, because 1020213102305 - 2⁴ = 1020213102289 is a prime.

It is a super-2 number, since 2×1020213102305² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 4313144 + ... + 4543526.

It is an arithmetic number, because the mean of its divisors is an integer number (76933511424).

Almost surely, 2^{1020213102305} is an apocalyptic number.

It is an amenable number.

1020213102305 is a deficient number, since it is larger than the sum of its proper divisors (210723080479).

1020213102305 is a wasteful number, since it uses less digits than its factorization.

1020213102305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235216.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 1020213102305 its reverse (5032013120201), we get a palindrome (6052226222506).

The spelling of 1020213102305 in words is "one trillion, twenty billion, two hundred thirteen million, one hundred two thousand, three hundred five".