100420230042 has 24 divisors (see below), whose sum is σ = 237356907840. Its totient is φ = 30430372680.

The previous prime is 100420230017. The next prime is 100420230077. The reversal of 100420230042 is 240032024001.

100420230042 is a `hidden beast` number, since 10 + 0 + 420 + 230 + 0 + 4 + 2 = 666.

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 = 100420229997 and 100420230024.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253586242 + ... + 253586637.

It is an arithmetic number, because the mean of its divisors is an integer number (9889871160).

Almost surely, 2^100420230042 is an apocalyptic number.

100420230042 is an abundant number, since it is smaller than the sum of its proper divisors (136936677798).

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

100420230042 is a wasteful number, since it uses less digits than its factorization.

100420230042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507172898 (or 507172895 counting only the distinct ones).

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

Adding to 100420230042 its reverse (240032024001), we get a palindrome (340452254043).

The spelling of 100420230042 in words is "one hundred billion, four hundred twenty million, two hundred thirty thousand, forty-two".