20304302422240 has 96 divisors (see below), whose sum is σ = 50929011874944. Its totient is φ = 7623144038400.

The previous prime is 20304302422219. The next prime is 20304302422253. The reversal of 20304302422240 is 4222420340302.

It is a happy number.

It is a super-2 number, since 2×20304302422240² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20304302422199 and 20304302422208.

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, 9171811 + ... + 11168290.

It is an arithmetic number, because the mean of its divisors is an integer number (530510540364).

Almost surely, 2^{20304302422240} is an apocalyptic number.

20304302422240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20304302422240 is an abundant number, since it is smaller than the sum of its proper divisors (30624709452704).

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

20304302422240 is a wasteful number, since it uses less digits than its factorization.

20304302422240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20340500 (or 20340492 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20304302422240 its reverse (4222420340302), we get a palindrome (24526722762542).

The spelling of 20304302422240 in words is "twenty trillion, three hundred four billion, three hundred two million, four hundred twenty-two thousand, two hundred forty".