20301102311220 has 144 divisors (see below), whose sum is σ = 61618338093312. Its totient is φ = 5410259205120.

The previous prime is 20301102311179. The next prime is 20301102311239. The reversal of 20301102311220 is 2211320110302.

20301102311220 is a `hidden beast` number, since 2 + 0 + 30 + 1 + 102 + 311 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20301102311193 and 20301102311202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3828227089 + ... + 3828232391.

It is an arithmetic number, because the mean of its divisors is an integer number (427905125648).

Almost surely, 2^{20301102311220} is an apocalyptic number.

20301102311220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301102311220 is an abundant number, since it is smaller than the sum of its proper divisors (41317235782092).

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

20301102311220 is a wasteful number, since it uses less digits than its factorization.

20301102311220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14542 (or 14537 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20301102311220 its reverse (2211320110302), we get a palindrome (22512422421522).

The spelling of 20301102311220 in words is "twenty trillion, three hundred one billion, one hundred two million, three hundred eleven thousand, two hundred twenty".