42340220201 has 8 divisors (see below), whose sum is σ = 42936880008. Its totient is φ = 41747040000.

The previous prime is 42340220137. The next prime is 42340220233. The reversal of 42340220201 is 10202204324.

It can be written as a sum of positive squares in 4 ways, for example, as 30589660201 + 11750560000 = 174899^2 + 108400^2 .

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 42340220201 - 2⁶ = 42340220137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42340220801) 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, 845390 + ... + 894071.

It is an arithmetic number, because the mean of its divisors is an integer number (5367110001).

Almost surely, 2^42340220201 is an apocalyptic number.

It is an amenable number.

42340220201 is a deficient number, since it is larger than the sum of its proper divisors (596659807).

42340220201 is a wasteful number, since it uses less digits than its factorization.

42340220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739803.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42340220201 its reverse (10202204324), we get a palindrome (52542424525).

The spelling of 42340220201 in words is "forty-two billion, three hundred forty million, two hundred twenty thousand, two hundred one".