213230010020 has 24 divisors (see below), whose sum is σ = 462227635968. Its totient is φ = 82540648800.

The previous prime is 213230010013. The next prime is 213230010031. The reversal of 213230010020 is 20010032312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213230009977 and 213230010004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171959066 + ... + 171960305.

It is an arithmetic number, because the mean of its divisors is an integer number (19259484832).

Almost surely, 2^213230010020 is an apocalyptic number.

213230010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213230010020 is an abundant number, since it is smaller than the sum of its proper divisors (248997625948).

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

213230010020 is a wasteful number, since it uses less digits than its factorization.

213230010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343919411 (or 343919409 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 213230010020 its reverse (20010032312), we get a palindrome (233240042332).

The spelling of 213230010020 in words is "two hundred thirteen billion, two hundred thirty million, ten thousand, twenty".