213245022451320 has 96 divisors (see below), whose sum is σ = 729522445251600. Its totient is φ = 53872426722816.

The previous prime is 213245022451303. The next prime is 213245022451333. The reversal of 213245022451320 is 23154220542312.

213245022451320 is a `hidden beast` number, since 2 + 1 + 32 + 450 + 2 + 2 + 45 + 132 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15588079597 + ... + 15588093276.

Almost surely, 2^{213245022451320} is an apocalyptic number.

213245022451320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213245022451320 is an abundant number, since it is smaller than the sum of its proper divisors (516277422800280).

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

213245022451320 is a wasteful number, since it uses less digits than its factorization.

213245022451320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31176172909 (or 31176172902 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 213245022451320 its reverse (23154220542312), we get a palindrome (236399242993632).

The spelling of 213245022451320 in words is "two hundred thirteen trillion, two hundred forty-five billion, twenty-two million, four hundred fifty-one thousand, three hundred twenty".