10020012029 has 4 divisors (see below), whose sum is σ = 10020921120. Its totient is φ = 10019102940.

The previous prime is 10020012011. The next prime is 10020012061. The reversal of 10020012029 is 92021002001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020012029 is a prime.

It is a super-2 number, since 2×10020012029² (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 = 10020011998 and 10020012016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020012089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437807 + ... + 460124.

It is an arithmetic number, because the mean of its divisors is an integer number (2505230280).

Almost surely, 2^10020012029 is an apocalyptic number.

It is an amenable number.

10020012029 is a deficient number, since it is larger than the sum of its proper divisors (909091).

10020012029 is an equidigital number, since it uses as much as digits as its factorization.

10020012029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909090.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 10020012029 in words is "ten billion, twenty million, twelve thousand, twenty-nine".