202427940 has 96 divisors (see below), whose sum is σ = 665917056. Its totient is φ = 45296640.

The previous prime is 202427909. The next prime is 202427977. The reversal of 202427940 is 49724202.

202427940 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 (30).

It is a junction number, because it is equal to n+sod(n) for n = 202427898 and 202427907.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3217 + ... + 20376.

It is an arithmetic number, because the mean of its divisors is an integer number (6936636).

Almost surely, 2^202427940 is an apocalyptic number.

202427940 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 202427940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332958528).

202427940 is an abundant number, since it is smaller than the sum of its proper divisors (463489116).

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

202427940 is a wasteful number, since it uses less digits than its factorization.

202427940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23629 (or 23627 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 202427940 is about 14227.7173151564. The cubic root of 202427940 is about 587.1604822663.

It can be divided in two parts, 20242 and 7940, that added together give a palindrome (28182).

The spelling of 202427940 in words is "two hundred two million, four hundred twenty-seven thousand, nine hundred forty".