10203310301220 has 72 divisors (see below), whose sum is σ = 31085194391160. Its totient is φ = 2709001152000.

The previous prime is 10203310301189. The next prime is 10203310301263. The reversal of 10203310301220 is 2210301330201.

10203310301220 is a `hidden beast` number, since 1 + 0 + 203 + 310 + 30 + 122 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3535543132416 + 6667767168804 = 1880304^2 + 2582202^2 .

It is a super-2 number, since 2×10203310301220² (a number of 27 digits) contains 22 as substring.

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 = 10203310301193 and 10203310301202.

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 23 ways as a sum of consecutive naturals, for example, 123725281 + ... + 123807720.

Almost surely, 2^{10203310301220} is an apocalyptic number.

10203310301220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10203310301220 is an abundant number, since it is smaller than the sum of its proper divisors (20881884089940).

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

10203310301220 is a wasteful number, since it uses less digits than its factorization.

10203310301220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247533245 (or 247533240 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10203310301220 its reverse (2210301330201), we get a palindrome (12413611631421).

The spelling of 10203310301220 in words is "ten trillion, two hundred three billion, three hundred ten million, three hundred one thousand, two hundred twenty".