213200123420 has 12 divisors (see below), whose sum is σ = 447720259224. Its totient is φ = 85280049360.

The previous prime is 213200123417. The next prime is 213200123431. The reversal of 213200123420 is 24321002312.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 10660006171 = 213200123420 / (2 + 1 + 3 + 2 + 0 + 0 + 1 + 2 + 3 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 213200123392 and 213200123401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5330003066 + ... + 5330003105.

It is an arithmetic number, because the mean of its divisors is an integer number (37310021602).

Almost surely, 2^213200123420 is an apocalyptic number.

213200123420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213200123420 is an abundant number, since it is smaller than the sum of its proper divisors (234520135804).

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

213200123420 is a wasteful number, since it uses less digits than its factorization.

213200123420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10660006180 (or 10660006178 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 213200123420 its reverse (24321002312), we get a palindrome (237521125732).

The spelling of 213200123420 in words is "two hundred thirteen billion, two hundred million, one hundred twenty-three thousand, four hundred twenty".