420340201118 has 4 divisors (see below), whose sum is σ = 630510301680. Its totient is φ = 210170100558.

The previous prime is 420340201117. The next prime is 420340201129. The reversal of 420340201118 is 811102043024.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420340201117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105085050278 + ... + 105085050281.

It is an arithmetic number, because the mean of its divisors is an integer number (157627575420).

Almost surely, 2^420340201118 is an apocalyptic number.

420340201118 is a deficient number, since it is larger than the sum of its proper divisors (210170100562).

420340201118 is a wasteful number, since it uses less digits than its factorization.

420340201118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210170100561.

The product of its (nonzero) digits is 1536, while the sum is 26.

The spelling of 420340201118 in words is "four hundred twenty billion, three hundred forty million, two hundred one thousand, one hundred eighteen".