20010030029 has 12 divisors (see below), whose sum is σ = 22023499260. Its totient is φ = 18166948800.

The previous prime is 20010030011. The next prime is 20010030037. The reversal of 20010030029 is 92003001002.

It can be written as a sum of positive squares in 2 ways, for example, as 5878288900 + 14131741129 = 76670^2 + 118877^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20010030029 is a prime.

It is a super-2 number, since 2×20010030029² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20010029989 and 20010030016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010030049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16574 + ... + 200735.

It is an arithmetic number, because the mean of its divisors is an integer number (1835291605).

Almost surely, 2^20010030029 is an apocalyptic number.

It is an amenable number.

20010030029 is a deficient number, since it is larger than the sum of its proper divisors (2013469231).

20010030029 is a wasteful number, since it uses less digits than its factorization.

20010030029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218092 (or 218081 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The spelling of 20010030029 in words is "twenty billion, ten million, thirty thousand, twenty-nine".