20210240133 has 12 divisors (see below), whose sum is σ = 29268794880. Its totient is φ = 13438312296.

The previous prime is 20210240119. The next prime is 20210240147. The reversal of 20210240133 is 33104201202.

20210240133 is a `hidden beast` number, since 20 + 210 + 2 + 401 + 33 = 666.

It is an interprime number because it is at equal distance from previous prime (20210240119) and next prime (20210240147).

It is not a de Polignac number, because 20210240133 - 2¹⁰ = 20210239109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210240173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2928123 + ... + 2935016.

It is an arithmetic number, because the mean of its divisors is an integer number (2439066240).

Almost surely, 2^20210240133 is an apocalyptic number.

It is an amenable number.

20210240133 is a deficient number, since it is larger than the sum of its proper divisors (9058554747).

20210240133 is a wasteful number, since it uses less digits than its factorization.

20210240133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5863528 (or 5863525 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20210240133 its reverse (33104201202), we get a palindrome (53314441335).

The spelling of 20210240133 in words is "twenty billion, two hundred ten million, two hundred forty thousand, one hundred thirty-three".