20030056529 has 24 divisors (see below), whose sum is σ = 23979318720. Its totient is φ = 16388352288.

The previous prime is 20030056513. The next prime is 20030056547. The reversal of 20030056529 is 92565003002.

It is not a de Polignac number, because 20030056529 - 2⁴ = 20030056513 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20030056495 and 20030056504.

It is not an unprimeable number, because it can be changed into a prime (20030026529) 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, 1879514 + ... + 1890140.

It is an arithmetic number, because the mean of its divisors is an integer number (999138280).

Almost surely, 2^20030056529 is an apocalyptic number.

It is an amenable number.

20030056529 is a deficient number, since it is larger than the sum of its proper divisors (3949262191).

20030056529 is a wasteful number, since it uses less digits than its factorization.

20030056529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11189 (or 11166 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 20030056529 in words is "twenty billion, thirty million, fifty-six thousand, five hundred twenty-nine".