20213223230 has 32 divisors (see below), whose sum is σ = 36948278304. Its totient is φ = 7960518016.

The previous prime is 20213223209. The next prime is 20213223259. The reversal of 20213223230 is 3232231202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201632 + ... + 284748.

It is an arithmetic number, because the mean of its divisors is an integer number (1154633697).

Almost surely, 2^20213223230 is an apocalyptic number.

20213223230 is a deficient number, since it is larger than the sum of its proper divisors (16735055074).

20213223230 is a wasteful number, since it uses less digits than its factorization.

20213223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83500.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20213223230 its reverse (3232231202), we get a palindrome (23445454432).

The spelling of 20213223230 in words is "twenty billion, two hundred thirteen million, two hundred twenty-three thousand, two hundred thirty".