202420344 has 32 divisors (see below), whose sum is σ = 578344320. Its totient is φ = 57834336.

The previous prime is 202420331. The next prime is 202420367. The reversal of 202420344 is 443024202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 202420344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602274 + ... + 602609.

It is an arithmetic number, because the mean of its divisors is an integer number (18073260).

Almost surely, 2^202420344 is an apocalyptic number.

202420344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

202420344 is an abundant number, since it is smaller than the sum of its proper divisors (375923976).

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

202420344 is a wasteful number, since it uses less digits than its factorization.

202420344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204899 (or 1204895 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 202420344 is about 14227.4503689171. The cubic root of 202420344 is about 587.1531378803.

Adding to 202420344 its reverse (443024202), we get a palindrome (645444546).

The spelling of 202420344 in words is "two hundred two million, four hundred twenty thousand, three hundred forty-four".