213443133020 has 24 divisors (see below), whose sum is σ = 482709855264. Its totient is φ = 78809772096.

The previous prime is 213443132977. The next prime is 213443133023. The reversal of 213443133020 is 20331344312.

It is a super-3 number, since 3×213443133020³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213443133023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410467304 + ... + 410467823.

It is an arithmetic number, because the mean of its divisors is an integer number (20112910636).

Almost surely, 2^213443133020 is an apocalyptic number.

213443133020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213443133020 is an abundant number, since it is smaller than the sum of its proper divisors (269266722244).

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

213443133020 is a wasteful number, since it uses less digits than its factorization.

213443133020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820935149 (or 820935147 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 213443133020 its reverse (20331344312), we get a palindrome (233774477332).

The spelling of 213443133020 in words is "two hundred thirteen billion, four hundred forty-three million, one hundred thirty-three thousand, twenty".