20007000613 has 8 divisors (see below), whose sum is σ = 21209451480. Its totient is φ = 18807390720.

The previous prime is 20007000577. The next prime is 20007000631. The reversal of 20007000613 is 31600070002.

20007000613 = 100017² + 100018².

It can be written as a sum of positive squares in 4 ways, for example, as 10003600324 + 10003400289 = 100018^2 + 100017^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20007000613 - 2¹⁷ = 20006869541 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 (20007000653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695728 + ... + 723913.

It is an arithmetic number, because the mean of its divisors is an integer number (2651181435).

Almost surely, 2^20007000613 is an apocalyptic number.

20007000613 is the 100018-th centered square number.

It is an amenable number.

20007000613 is a deficient number, since it is larger than the sum of its proper divisors (1202450867).

20007000613 is a wasteful number, since it uses less digits than its factorization.

20007000613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420487.

The product of its (nonzero) digits is 252, while the sum is 19.

Adding to 20007000613 its reverse (31600070002), we get a palindrome (51607070615).

The spelling of 20007000613 in words is "twenty billion, seven million, six hundred thirteen", and thus it is an aban number.