20113033130 has 48 divisors (see below), whose sum is σ = 37418557176. Its totient is φ = 7783568640.

The previous prime is 20113033121. The next prime is 20113033139. The reversal of 20113033130 is 3133031102.

It is an interprime number because it is at equal distance from previous prime (20113033121) and next prime (20113033139).

It can be written as a sum of positive squares in 12 ways, for example, as 7822871809 + 12290161321 = 88447^2 + 110861^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20113033099 and 20113033108.

It is not an unprimeable number, because it can be changed into a prime (20113033139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2473832 + ... + 2481948.

Almost surely, 2^20113033130 is an apocalyptic number.

20113033130 is a deficient number, since it is larger than the sum of its proper divisors (17305524046).

20113033130 is a wasteful number, since it uses less digits than its factorization.

20113033130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8379 (or 8342 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 20113033130 its reverse (3133031102), we get a palindrome (23246064232).

The spelling of 20113033130 in words is "twenty billion, one hundred thirteen million, thirty-three thousand, one hundred thirty".