10203030201220 has 48 divisors (see below), whose sum is σ = 21435205056048. Its totient is φ = 4079528386560.

The previous prime is 10203030201139. The next prime is 10203030201223. The reversal of 10203030201220 is 2210203030201.

It can be written as a sum of positive squares in 8 ways, for example, as 1191782689344 + 9011247511876 = 1091688^2 + 3001874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10203030201194 and 10203030201203.

It is not an unprimeable number, because it can be changed into a prime (10203030201223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692333692 + ... + 692348428.

It is an arithmetic number, because the mean of its divisors is an integer number (446566772001).

Almost surely, 2^{10203030201220} is an apocalyptic number.

10203030201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10203030201220 is an abundant number, since it is smaller than the sum of its proper divisors (11232174854828).

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

10203030201220 is a wasteful number, since it uses less digits than its factorization.

10203030201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26680 (or 26678 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10203030201220 its reverse (2210203030201), we get a palindrome (12413233231421).

The spelling of 10203030201220 in words is "ten trillion, two hundred three billion, thirty million, two hundred one thousand, two hundred twenty".