20213330033 has 16 divisors (see below), whose sum is σ = 21995581440. Its totient is φ = 18464314176.

The previous prime is 20213329979. The next prime is 20213330047. The reversal of 20213330033 is 33003331202.

It is a cyclic number.

It is not a de Polignac number, because 20213330033 - 2¹⁴ = 20213313649 is a prime.

It is a super-2 number, since 2×20213330033² (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 = 20213329987 and 20213330014.

It is not an unprimeable number, because it can be changed into a prime (20213333033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640028 + ... + 670866.

It is an arithmetic number, because the mean of its divisors is an integer number (1374723840).

Almost surely, 2^20213330033 is an apocalyptic number.

It is an amenable number.

20213330033 is a deficient number, since it is larger than the sum of its proper divisors (1782251407).

20213330033 is a wasteful number, since it uses less digits than its factorization.

20213330033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31376.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20213330033 its reverse (33003331202), we get a palindrome (53216661235).

The spelling of 20213330033 in words is "twenty billion, two hundred thirteen million, three hundred thirty thousand, thirty-three".