20300310233120 has 48 divisors (see below), whose sum is σ = 47972331774360. Its totient is φ = 8117948626944.

The previous prime is 20300310233111. The next prime is 20300310233123. The reversal of 20300310233120 is 2133201300302.

It can be written as a sum of positive squares in 4 ways, for example, as 18560897431696 + 1739412801424 = 4308236^2 + 1318868^2 .

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 = 20300310233092 and 20300310233101.

It is not an unprimeable number, because it can be changed into a prime (20300310233123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16396685 + ... + 17591244.

Almost surely, 2^{20300310233120} is an apocalyptic number.

20300310233120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300310233120 is an abundant number, since it is smaller than the sum of its proper divisors (27672021541240).

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

20300310233120 is a wasteful number, since it uses less digits than its factorization.

20300310233120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33991677 (or 33991669 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20300310233120 its reverse (2133201300302), we get a palindrome (22433511533422).

The spelling of 20300310233120 in words is "twenty trillion, three hundred billion, three hundred ten million, two hundred thirty-three thousand, one hundred twenty".