1020212613 has 12 divisors (see below), whose sum is σ = 1684160608. Its totient is φ = 582978600.

The previous prime is 1020212603. The next prime is 1020212639. The reversal of 1020212613 is 3162120201.

1020212613 is a `hidden beast` number, since 10 + 20 + 21 + 2 + 613 = 666.

It is not a de Polignac number, because 1020212613 - 2⁶ = 1020212549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020212603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8096863 + ... + 8096988.

Almost surely, 2^1020212613 is an apocalyptic number.

It is an amenable number.

1020212613 is a deficient number, since it is larger than the sum of its proper divisors (663947995).

1020212613 is a wasteful number, since it uses less digits than its factorization.

1020212613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16193864 (or 16193861 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1020212613 is about 31940.7672575347. The cubic root of 1020212613 is about 1006.6926462285.

Adding to 1020212613 its reverse (3162120201), we get a palindrome (4182332814).

The spelling of 1020212613 in words is "one billion, twenty million, two hundred twelve thousand, six hundred thirteen".