201420143340 has 96 divisors (see below), whose sum is σ = 621483937536. Its totient is φ = 48427303680.

The previous prime is 201420143329. The next prime is 201420143377. The reversal of 201420143340 is 43341024102.

It is a super-2 number, since 2×201420143340² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201420143340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2969146 + ... + 3036225.

It is an arithmetic number, because the mean of its divisors is an integer number (6473791016).

Almost surely, 2^201420143340 is an apocalyptic number.

201420143340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201420143340 is an abundant number, since it is smaller than the sum of its proper divisors (420063794196).

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

201420143340 is a wasteful number, since it uses less digits than its factorization.

201420143340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005439 (or 6005437 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 201420143340 its reverse (43341024102), we get a palindrome (244761167442).

The spelling of 201420143340 in words is "two hundred one billion, four hundred twenty million, one hundred forty-three thousand, three hundred forty".