10203302113220 has 12 divisors (see below), whose sum is σ = 21426934437804. Its totient is φ = 4081320845280.

The previous prime is 10203302113211. The next prime is 10203302113229. The reversal of 10203302113220 is 2231120330201.

It is an interprime number because it is at equal distance from previous prime (10203302113211) and next prime (10203302113229).

It can be written as a sum of positive squares in 2 ways, for example, as 6879593918404 + 3323708194816 = 2622898^2 + 1823104^2 .

It is a super-3 number, since 3×10203302113220³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 510165105661 = 10203302113220 / (1 + 0 + 2 + 0 + 3 + 3 + 0 + 2 + 1 + 1 + 3 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 10203302113192 and 10203302113201.

It is not an unprimeable number, because it can be changed into a prime (10203302113229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255082552811 + ... + 255082552850.

It is an arithmetic number, because the mean of its divisors is an integer number (1785577869817).

Almost surely, 2^{10203302113220} is an apocalyptic number.

10203302113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10203302113220 is an abundant number, since it is smaller than the sum of its proper divisors (11223632324584).

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

10203302113220 is a wasteful number, since it uses less digits than its factorization.

10203302113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510165105670 (or 510165105668 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10203302113220 its reverse (2231120330201), we get a palindrome (12434422443421).

The spelling of 10203302113220 in words is "ten trillion, two hundred three billion, three hundred two million, one hundred thirteen thousand, two hundred twenty".