213401323304420 has 48 divisors (see below), whose sum is σ = 468154449439488. Its totient is φ = 81557150843520.

The previous prime is 213401323304417. The next prime is 213401323304431. The reversal of 213401323304420 is 24403323104312.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 261100391 + ... + 261916430.

It is an arithmetic number, because the mean of its divisors is an integer number (9753217696656).

Almost surely, 2^{213401323304420} is an apocalyptic number.

213401323304420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213401323304420 is an abundant number, since it is smaller than the sum of its proper divisors (254753126135068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213401323304420 is a wasteful number, since it uses less digits than its factorization.

213401323304420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523017740 (or 523017738 counting only the distinct ones).

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

Adding to 213401323304420 its reverse (24403323104312), we get a palindrome (237804646408732).

The spelling of 213401323304420 in words is "two hundred thirteen trillion, four hundred one billion, three hundred twenty-three million, three hundred four thousand, four hundred twenty".