20301344420 has 48 divisors (see below), whose sum is σ = 48734155008. Its totient is φ = 6958899840.

The previous prime is 20301344417. The next prime is 20301344423. The reversal of 20301344420 is 2444310302.

It is an interprime number because it is at equal distance from previous prime (20301344417) and next prime (20301344423).

It is not an unprimeable number, because it can be changed into a prime (20301344423) 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, 733025 + ... + 760215.

It is an arithmetic number, because the mean of its divisors is an integer number (1015294896).

Almost surely, 2^20301344420 is an apocalyptic number.

20301344420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301344420 is an abundant number, since it is smaller than the sum of its proper divisors (28432810588).

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

20301344420 is a wasteful number, since it uses less digits than its factorization.

20301344420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32540 (or 32538 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20301344420 its reverse (2444310302), we get a palindrome (22745654722).

The spelling of 20301344420 in words is "twenty billion, three hundred one million, three hundred forty-four thousand, four hundred twenty".