213254230920 has 64 divisors (see below), whose sum is σ = 640830960000. Its totient is φ = 56772837888.

The previous prime is 213254230913. The next prime is 213254230921. The reversal of 213254230920 is 29032452312.

It is not an unprimeable number, because it can be changed into a prime (213254230921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1411525 + ... + 1555284.

It is an arithmetic number, because the mean of its divisors is an integer number (10012983750).

Almost surely, 2^213254230920 is an apocalyptic number.

213254230920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213254230920 is an abundant number, since it is smaller than the sum of its proper divisors (427576729080).

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

213254230920 is a wasteful number, since it uses less digits than its factorization.

213254230920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967422 (or 2967418 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 213254230920 in words is "two hundred thirteen billion, two hundred fifty-four million, two hundred thirty thousand, nine hundred twenty".