20101013033 has 4 divisors (see below), whose sum is σ = 20101519620. Its totient is φ = 20100506448.

The previous prime is 20101013021. The next prime is 20101013077. The reversal of 20101013033 is 33031010102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15042531904 + 5058481129 = 122648^2 + 71123^2 .

It is a cyclic number.

It is not a de Polignac number, because 20101013033 - 2¹⁴ = 20100996649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20101012999 and 20101013017.

It is not an unprimeable number, because it can be changed into a prime (20101013633) 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 3 ways as a sum of consecutive naturals, for example, 188198 + ... + 274991.

It is an arithmetic number, because the mean of its divisors is an integer number (5025379905).

Almost surely, 2^20101013033 is an apocalyptic number.

It is an amenable number.

20101013033 is a deficient number, since it is larger than the sum of its proper divisors (506587).

20101013033 is an equidigital number, since it uses as much as digits as its factorization.

20101013033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506586.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 20101013033 its reverse (33031010102), we get a palindrome (53132023135).

The spelling of 20101013033 in words is "twenty billion, one hundred one million, thirteen thousand, thirty-three".