20300220131331 has 32 divisors (see below), whose sum is σ = 31329810841600. Its totient is φ = 11451615420960.

The previous prime is 20300220131281. The next prime is 20300220131353. The reversal of 20300220131331 is 13313102200302.

It is not a de Polignac number, because 20300220131331 - 2⁷ = 20300220131203 is a prime.

It is a super-2 number, since 2×20300220131331² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20300220131298 and 20300220131307.

It is not an unprimeable number, because it can be changed into a prime (20300228131331) by changing a digit.

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, 10508550 + ... + 12289428.

It is an arithmetic number, because the mean of its divisors is an integer number (979056588800).

Almost surely, 2^{20300220131331} is an apocalyptic number.

20300220131331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20300220131331 is a deficient number, since it is larger than the sum of its proper divisors (11029590710269).

20300220131331 is a wasteful number, since it uses less digits than its factorization.

20300220131331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787839.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20300220131331 its reverse (13313102200302), we get a palindrome (33613322331633).

The spelling of 20300220131331 in words is "twenty trillion, three hundred billion, two hundred twenty million, one hundred thirty-one thousand, three hundred thirty-one".