20033628211 has 4 divisors (see below), whose sum is σ = 20034609592. Its totient is φ = 20032646832.

The previous prime is 20033628169. The next prime is 20033628217. The reversal of 20033628211 is 11282633002.

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

It is a cyclic number.

It is not a de Polignac number, because 20033628211 - 2¹⁵ = 20033595443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20033628211.

It is not an unprimeable number, because it can be changed into a prime (20033628217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459405 + ... + 501118.

It is an arithmetic number, because the mean of its divisors is an integer number (5008652398).

Almost surely, 2^20033628211 is an apocalyptic number.

20033628211 is a deficient number, since it is larger than the sum of its proper divisors (981381).

20033628211 is an equidigital number, since it uses as much as digits as its factorization.

20033628211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981380.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 20033628211 in words is "twenty billion, thirty-three million, six hundred twenty-eight thousand, two hundred eleven".