202417842 has 32 divisors (see below), whose sum is σ = 442920960. Its totient is φ = 61160720.

The previous prime is 202417799. The next prime is 202417843. The reversal of 202417842 is 248714202.

It is not an unprimeable number, because it can be changed into a prime (202417843) 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, 19423 + ... + 27965.

It is an arithmetic number, because the mean of its divisors is an integer number (13841280).

Almost surely, 2^202417842 is an apocalyptic number.

202417842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202417842 is an abundant number, since it is smaller than the sum of its proper divisors (240503118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202417842 is a wasteful number, since it uses less digits than its factorization.

202417842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8918.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 202417842 is about 14227.3624400308. The cubic root of 202417842 is about 587.1507187177.

The spelling of 202417842 in words is "two hundred two million, four hundred seventeen thousand, eight hundred forty-two".