20210133 has 8 divisors (see below), whose sum is σ = 26991328. Its totient is φ = 13451184.

The previous prime is 20210131. The next prime is 20210143. The reversal of 20210133 is 33101202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20210133 - 2¹ = 20210131 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3310 + ... + 7167.

It is an arithmetic number, because the mean of its divisors is an integer number (3373916).

Almost surely, 2^20210133 is an apocalyptic number.

It is an amenable number.

20210133 is a deficient number, since it is larger than the sum of its proper divisors (6781195).

20210133 is a wasteful number, since it uses less digits than its factorization.

20210133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11123.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 20210133 is about 4495.5681509682. The cubic root of 20210133 is about 272.3890994450.

Adding to 20210133 its reverse (33101202), we get a palindrome (53311335).

The spelling of 20210133 in words is "twenty million, two hundred ten thousand, one hundred thirty-three".