42020231332 has 6 divisors (see below), whose sum is σ = 73535404838. Its totient is φ = 21010115664.

The previous prime is 42020231293. The next prime is 42020231347. The reversal of 42020231332 is 23313202024.

It can be written as a sum of positive squares in only one way, i.e., 41149745316 + 870486016 = 202854^2 + 29504^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5252528913 + ... + 5252528920.

Almost surely, 2^42020231332 is an apocalyptic number.

It is an amenable number.

42020231332 is a deficient number, since it is larger than the sum of its proper divisors (31515173506).

42020231332 is a wasteful number, since it uses less digits than its factorization.

42020231332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10505057837 (or 10505057835 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 42020231332 its reverse (23313202024), we get a palindrome (65333433356).

The spelling of 42020231332 in words is "forty-two billion, twenty million, two hundred thirty-one thousand, three hundred thirty-two".