10203220242 has 40 divisors (see below), whose sum is σ = 24207646716. Its totient is φ = 3201009408.

The previous prime is 10203220231. The next prime is 10203220319. The reversal of 10203220242 is 24202230201.

10203220242 is a `hidden beast` number, since 1 + 0 + 203 + 220 + 242 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10086385761 + 116834481 = 100431^2 + 10809^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1849683 + ... + 1855190.

Almost surely, 2^10203220242 is an apocalyptic number.

10203220242 is an abundant number, since it is smaller than the sum of its proper divisors (14004426474).

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

10203220242 is a wasteful number, since it uses less digits than its factorization.

10203220242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704904 (or 3704895 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 10203220242 its reverse (24202230201), we get a palindrome (34405450443).

The spelling of 10203220242 in words is "ten billion, two hundred three million, two hundred twenty thousand, two hundred forty-two".