202254220 has 48 divisors (see below), whose sum is σ = 491581440. Its totient is φ = 68462784.

The previous prime is 202254211. The next prime is 202254229. The reversal of 202254220 is 22452202.

202254220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202254211) and next prime (202254229).

It is not an unprimeable number, because it can be changed into a prime (202254229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1917 + ... + 20203.

It is an arithmetic number, because the mean of its divisors is an integer number (10241280).

Almost surely, 2^202254220 is an apocalyptic number.

202254220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202254220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245790720).

202254220 is an abundant number, since it is smaller than the sum of its proper divisors (289327220).

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

202254220 is a wasteful number, since it uses less digits than its factorization.

202254220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18382 (or 18380 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 202254220 is about 14221.6110198528. The cubic root of 202254220 is about 586.9924706906.

The spelling of 202254220 in words is "two hundred two million, two hundred fifty-four thousand, two hundred twenty".