420340201099 has 24 divisors (see below), whose sum is σ = 526790104848. Its totient is φ = 332444185920.

The previous prime is 420340201019. The next prime is 420340201117. The reversal of 420340201099 is 990102043024.

It is not a de Polignac number, because 420340201099 - 2¹⁷ = 420340070027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420340201019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1481889 + ... + 1742605.

It is an arithmetic number, because the mean of its divisors is an integer number (21949587702).

Almost surely, 2^420340201099 is an apocalyptic number.

420340201099 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

420340201099 is a deficient number, since it is larger than the sum of its proper divisors (106449903749).

420340201099 is a wasteful number, since it uses less digits than its factorization.

420340201099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263275 (or 263268 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 420340201099 in words is "four hundred twenty billion, three hundred forty million, two hundred one thousand, ninety-nine".