20630201513 has 8 divisors (see below), whose sum is σ = 20864948040. Its totient is φ = 20395520640.

The previous prime is 20630201507. The next prime is 20630201567. The reversal of 20630201513 is 31510203602.

It can be written as a sum of positive squares in 4 ways, for example, as 1555276969 + 19074924544 = 39437^2 + 138112^2 .

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 20630201513 - 2⁴ = 20630201497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20630201413) 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 7 ways as a sum of consecutive naturals, for example, 910583 + ... + 932963.

It is an arithmetic number, because the mean of its divisors is an integer number (2608118505).

Almost surely, 2^20630201513 is an apocalyptic number.

It is an amenable number.

20630201513 is a deficient number, since it is larger than the sum of its proper divisors (234746527).

20630201513 is a wasteful number, since it uses less digits than its factorization.

20630201513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32827.

The product of its (nonzero) digits is 1080, while the sum is 23.

The spelling of 20630201513 in words is "twenty billion, six hundred thirty million, two hundred one thousand, five hundred thirteen".