103220240042 has 32 divisors (see below), whose sum is σ = 167489577360. Its totient is φ = 47533178880.

The previous prime is 103220240041. The next prime is 103220240077. The reversal of 103220240042 is 240042022301.

It can be written as a sum of positive squares in 8 ways, for example, as 34424720521 + 68795519521 = 185539^2 + 262289^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103220239996 and 103220240023.

It is not an unprimeable number, because it can be changed into a prime (103220240041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117692 + ... + 469352.

Almost surely, 2^103220240042 is an apocalyptic number.

103220240042 is a deficient number, since it is larger than the sum of its proper divisors (64269337318).

103220240042 is a wasteful number, since it uses less digits than its factorization.

103220240042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351866.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 103220240042 its reverse (240042022301), we get a palindrome (343262262343).

The spelling of 103220240042 in words is "one hundred three billion, two hundred twenty million, two hundred forty thousand, forty-two".