20630133115 has 16 divisors (see below), whose sum is σ = 25559191296. Its totient is φ = 15968937600.

The previous prime is 20630133103. The next prime is 20630133119. The reversal of 20630133115 is 51133103602.

It is not a de Polignac number, because 20630133115 - 2¹⁹ = 20629608827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20630133115.

It is not an unprimeable number, because it can be changed into a prime (20630133119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1638745 + ... + 1651285.

It is an arithmetic number, because the mean of its divisors is an integer number (1597449456).

Almost surely, 2^20630133115 is an apocalyptic number.

20630133115 is a deficient number, since it is larger than the sum of its proper divisors (4929058181).

20630133115 is a wasteful number, since it uses less digits than its factorization.

20630133115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23190.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 20630133115 its reverse (51133103602), we get a palindrome (71763236717).

The spelling of 20630133115 in words is "twenty billion, six hundred thirty million, one hundred thirty-three thousand, one hundred fifteen".