202055420 has 36 divisors (see below), whose sum is σ = 493594920. Its totient is φ = 69275808.

The previous prime is 202055419. The next prime is 202055423. The reversal of 202055420 is 24550202.

202055420 is digitally balanced in base 3, 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 202055392 and 202055401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202055423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102110 + ... + 104069.

It is an arithmetic number, because the mean of its divisors is an integer number (13710970).

Almost surely, 2^202055420 is an apocalyptic number.

202055420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202055420 is an abundant number, since it is smaller than the sum of its proper divisors (291539500).

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

202055420 is a wasteful number, since it uses less digits than its factorization.

202055420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206202 (or 206193 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 202055420 is about 14214.6199386406. The cubic root of 202055420 is about 586.8000851576.

The spelling of 202055420 in words is "two hundred two million, fifty-five thousand, four hundred twenty".