42102020441 has 8 divisors (see below), whose sum is σ = 45343226880. Its totient is φ = 38861183952.

The previous prime is 42102020399. The next prime is 42102020449. The reversal of 42102020441 is 14402020124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42102020441 - 2¹⁸ = 42101758297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42102020449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171890 + ... + 337268.

It is an arithmetic number, because the mean of its divisors is an integer number (5667903360).

Almost surely, 2^42102020441 is an apocalyptic number.

It is an amenable number.

42102020441 is a deficient number, since it is larger than the sum of its proper divisors (3241206439).

42102020441 is a wasteful number, since it uses less digits than its factorization.

42102020441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184975.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 42102020441 its reverse (14402020124), we get a palindrome (56504040565).

The spelling of 42102020441 in words is "forty-two billion, one hundred two million, twenty thousand, four hundred forty-one".