20210134233 has 4 divisors (see below), whose sum is σ = 26946845648. Its totient is φ = 13473422820.

The previous prime is 20210134181. The next prime is 20210134237. The reversal of 20210134233 is 33243101202.

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 not a de Polignac number, because 20210134233 - 2¹² = 20210130137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20210134237) 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, 3368355703 + ... + 3368355708.

It is an arithmetic number, because the mean of its divisors is an integer number (6736711412).

Almost surely, 2^20210134233 is an apocalyptic number.

It is an amenable number.

20210134233 is a deficient number, since it is larger than the sum of its proper divisors (6736711415).

20210134233 is an equidigital number, since it uses as much as digits as its factorization.

20210134233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6736711414.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20210134233 its reverse (33243101202), we get a palindrome (53453235435).

The spelling of 20210134233 in words is "twenty billion, two hundred ten million, one hundred thirty-four thousand, two hundred thirty-three".