20122533 has 32 divisors (see below), whose sum is σ = 30942720. Its totient is φ = 12916800.

The previous prime is 20122519. The next prime is 20122541. The reversal of 20122533 is 33522102.

It is not a de Polignac number, because 20122533 - 2⁶ = 20122469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128091 + ... + 128247.

It is an arithmetic number, because the mean of its divisors is an integer number (966960).

Almost surely, 2^20122533 is an apocalyptic number.

It is an amenable number.

20122533 is a deficient number, since it is larger than the sum of its proper divisors (10820187).

20122533 is a wasteful number, since it uses less digits than its factorization.

20122533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 20122533 is about 4485.8146417345. The cubic root of 20122533 is about 271.9949762985.

Adding to 20122533 its reverse (33522102), we get a palindrome (53644635).

The spelling of 20122533 in words is "twenty million, one hundred twenty-two thousand, five hundred thirty-three".