202042424 has 32 divisors (see below), whose sum is σ = 389672640. Its totient is φ = 98150400.

The previous prime is 202042411. The next prime is 202042427. The reversal of 202042424 is 424240202.

202042424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202042424² = 81642282191591552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202042396 and 202042405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202042427) 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, 87752 + ... + 90024.

It is an arithmetic number, because the mean of its divisors is an integer number (12177270).

Almost surely, 2^202042424 is an apocalyptic number.

It is an amenable number.

202042424 is a deficient number, since it is larger than the sum of its proper divisors (187630216).

202042424 is a wasteful number, since it uses less digits than its factorization.

202042424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591 (or 2587 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 202042424 is about 14214.1627963099. The cubic root of 202042424 is about 586.7875040921.

Adding to 202042424 its reverse (424240202), we get a palindrome (626282626).

It can be divided in two parts, 2020 and 42424, that added together give a palindrome (44444).

The spelling of 202042424 in words is "two hundred two million, forty-two thousand, four hundred twenty-four".