202420533 has 16 divisors (see below), whose sum is σ = 310302720. Its totient is φ = 114974256.

The previous prime is 202420501. The next prime is 202420541. The reversal of 202420533 is 335024202.

It is not a de Polignac number, because 202420533 - 2⁵ = 202420501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202420573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25353 + ... + 32366.

It is an arithmetic number, because the mean of its divisors is an integer number (19393920).

Almost surely, 2^202420533 is an apocalyptic number.

It is an amenable number.

202420533 is a deficient number, since it is larger than the sum of its proper divisors (107882187).

202420533 is a wasteful number, since it uses less digits than its factorization.

202420533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57896.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 202420533 is about 14227.4570110052. The cubic root of 202420533 is about 587.1533206220.

Adding to 202420533 its reverse (335024202), we get a palindrome (537444735).

The spelling of 202420533 in words is "two hundred two million, four hundred twenty thousand, five hundred thirty-three".