42020315365 has 32 divisors (see below), whose sum is σ = 58838814720. Its totient is φ = 28212360000.

The previous prime is 42020315357. The next prime is 42020315377. The reversal of 42020315365 is 56351302024.

It is a happy number.

It is not a de Polignac number, because 42020315365 - 2³ = 42020315357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477780 + ... + 558850.

It is an arithmetic number, because the mean of its divisors is an integer number (1838712960).

Almost surely, 2^42020315365 is an apocalyptic number.

It is an amenable number.

42020315365 is a deficient number, since it is larger than the sum of its proper divisors (16818499355).

42020315365 is a wasteful number, since it uses less digits than its factorization.

42020315365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81393.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 42020315365 its reverse (56351302024), we get a palindrome (98371617389).

The spelling of 42020315365 in words is "forty-two billion, twenty million, three hundred fifteen thousand, three hundred sixty-five".