202002420 has 24 divisors (see below), whose sum is σ = 565606944. Its totient is φ = 53867296.

The previous prime is 202002419. The next prime is 202002431. The reversal of 202002420 is 24200202.

It is a happy number.

202002420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 202002396 and 202002405.

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, 1683294 + ... + 1683413.

It is an arithmetic number, because the mean of its divisors is an integer number (23566956).

Almost surely, 2^202002420 is an apocalyptic number.

202002420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202002420 is an abundant number, since it is smaller than the sum of its proper divisors (363604524).

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

202002420 is a wasteful number, since it uses less digits than its factorization.

202002420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366719 (or 3366717 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 202002420 is about 14212.7555385998. The cubic root of 202002420 is about 586.7487739477.

Adding to 202002420 its reverse (24200202), we get a palindrome (226202622).

The spelling of 202002420 in words is "two hundred two million, two thousand, four hundred twenty".