20300311042220 has 96 divisors (see below), whose sum is σ = 49308105079296. Its totient is φ = 6938348211200.

The previous prime is 20300311042217. The next prime is 20300311042241. The reversal of 20300311042220 is 2224011300302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20300311042192 and 20300311042201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 873866 + ... + 6431505.

It is an arithmetic number, because the mean of its divisors is an integer number (513626094576).

Almost surely, 2^{20300311042220} is an apocalyptic number.

20300311042220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300311042220 is an abundant number, since it is smaller than the sum of its proper divisors (29007794037076).

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

20300311042220 is a wasteful number, since it uses less digits than its factorization.

20300311042220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7306151 (or 7306149 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20300311042220 its reverse (2224011300302), we get a palindrome (22524322342522).

The spelling of 20300311042220 in words is "twenty trillion, three hundred billion, three hundred eleven million, forty-two thousand, two hundred twenty".