42000220020232 has 8 divisors (see below), whose sum is σ = 78750412537950. Its totient is φ = 21000110010112.

The previous prime is 42000220020137. The next prime is 42000220020247. The reversal of 42000220020232 is 23202002200024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21265803128196 + 20734416892036 = 4611486^2 + 4553506^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625013751257 + ... + 2625013751272.

Almost surely, 2^{42000220020232} is an apocalyptic number.

It is an amenable number.

42000220020232 is a deficient number, since it is larger than the sum of its proper divisors (36750192517718).

42000220020232 is a wasteful number, since it uses less digits than its factorization.

42000220020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250027502535 (or 5250027502531 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 42000220020232 its reverse (23202002200024), we get a palindrome (65202222220256).

The spelling of 42000220020232 in words is "forty-two trillion, two hundred twenty million, twenty thousand, two hundred thirty-two".