213302230020 has 72 divisors (see below), whose sum is σ = 705836476800. Its totient is φ = 51709631040.

The previous prime is 213302229997. The next prime is 213302230079. The reversal of 213302230020 is 20032203312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 213302229975 and 213302230002.

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, 53862220 + ... + 53866179.

It is an arithmetic number, because the mean of its divisors is an integer number (9803284400).

Almost surely, 2^213302230020 is an apocalyptic number.

213302230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213302230020 is an abundant number, since it is smaller than the sum of its proper divisors (492534246780).

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

213302230020 is a wasteful number, since it uses less digits than its factorization.

213302230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107728425 (or 107728420 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 213302230020 its reverse (20032203312), we get a palindrome (233334433332).

The spelling of 213302230020 in words is "two hundred thirteen billion, three hundred two million, two hundred thirty thousand, twenty".