42020366243 has 8 divisors (see below), whose sum is σ = 42736999776. Its totient is φ = 41304628800.

The previous prime is 42020366239. The next prime is 42020366251. The reversal of 42020366243 is 34266302024.

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 42020366243 - 2² = 42020366239 is a prime.

It is a super-2 number, since 2×42020366243² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42020362243) 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, 129098 + ... + 317343.

It is an arithmetic number, because the mean of its divisors is an integer number (5342124972).

Almost surely, 2^42020366243 is an apocalyptic number.

42020366243 is a deficient number, since it is larger than the sum of its proper divisors (716633533).

42020366243 is a wasteful number, since it uses less digits than its factorization.

42020366243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448045.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 42020366243 its reverse (34266302024), we get a palindrome (76286668267).

The spelling of 42020366243 in words is "forty-two billion, twenty million, three hundred sixty-six thousand, two hundred forty-three".