202430422140 has 48 divisors (see below), whose sum is σ = 566940300192. Its totient is φ = 53968577536.

The previous prime is 202430422111. The next prime is 202430422151. The reversal of 202430422140 is 41224034202.

202430422140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 202430422140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147009 + ... + 653048.

It is an arithmetic number, because the mean of its divisors is an integer number (11811256254).

Almost surely, 2^202430422140 is an apocalyptic number.

202430422140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202430422140 is an abundant number, since it is smaller than the sum of its proper divisors (364509878052).

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

202430422140 is a wasteful number, since it uses less digits than its factorization.

202430422140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804286 (or 804284 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 202430422140 its reverse (41224034202), we get a palindrome (243654456342).

The spelling of 202430422140 in words is "two hundred two billion, four hundred thirty million, four hundred twenty-two thousand, one hundred forty".