202420332 has 72 divisors (see below), whose sum is σ = 537788160. Its totient is φ = 64072800.

The previous prime is 202420331. The next prime is 202420367. The reversal of 202420332 is 233024202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (202420331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124219 + ... + 125837.

It is an arithmetic number, because the mean of its divisors is an integer number (7469280).

Almost surely, 2^202420332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202420332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268894080).

202420332 is an abundant number, since it is smaller than the sum of its proper divisors (335367828).

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

202420332 is a wasteful number, since it uses less digits than its factorization.

202420332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 202420332 is about 14227.4499471971. The cubic root of 202420332 is about 587.1531262776.

Adding to 202420332 its reverse (233024202), we get a palindrome (435444534).

The spelling of 202420332 in words is "two hundred two million, four hundred twenty thousand, three hundred thirty-two".