213320220313432 has 8 divisors (see below), whose sum is σ = 399975413087700. Its totient is φ = 106660110156712.

The previous prime is 213320220313379. The next prime is 213320220313469. The reversal of 213320220313432 is 234313022023312.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 213320220313394 and 213320220313403.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 13332513769582 + ... + 13332513769597.

Almost surely, 2^{213320220313432} is an apocalyptic number.

It is an amenable number.

213320220313432 is a deficient number, since it is larger than the sum of its proper divisors (186655192774268).

213320220313432 is a wasteful number, since it uses less digits than its factorization.

213320220313432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26665027539185 (or 26665027539181 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 213320220313432 its reverse (234313022023312), we get a palindrome (447633242336744).

The spelling of 213320220313432 in words is "two hundred thirteen trillion, three hundred twenty billion, two hundred twenty million, three hundred thirteen thousand, four hundred thirty-two".