4321202020240 has 80 divisors (see below), whose sum is σ = 11490202258560. Its totient is φ = 1480503214080.

The previous prime is 4321202020231. The next prime is 4321202020243. The reversal of 4321202020240 is 420202021234.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (4321202020243) 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, 1949226 + ... + 3527305.

It is an arithmetic number, because the mean of its divisors is an integer number (143627528232).

Almost surely, 2^{4321202020240} is an apocalyptic number.

4321202020240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4321202020240 is an abundant number, since it is smaller than the sum of its proper divisors (7169000238320).

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

4321202020240 is a wasteful number, since it uses less digits than its factorization.

4321202020240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5477960 (or 5477954 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 4321202020240 its reverse (420202021234), we get a palindrome (4741404041474).

The spelling of 4321202020240 in words is "four trillion, three hundred twenty-one billion, two hundred two million, twenty thousand, two hundred forty".