20234323220 has 48 divisors (see below), whose sum is σ = 45162848640. Its totient is φ = 7593284736.

The previous prime is 20234323217. The next prime is 20234323231. The reversal of 20234323220 is 2232343202.

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, 219347 + ... + 297626.

It is an arithmetic number, because the mean of its divisors is an integer number (940892680).

Almost surely, 2^20234323220 is an apocalyptic number.

20234323220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20234323220 is an abundant number, since it is smaller than the sum of its proper divisors (24928525420).

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

20234323220 is a wasteful number, since it uses less digits than its factorization.

20234323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517104 (or 517102 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 20234323220 its reverse (2232343202), we get a palindrome (22466666422).

The spelling of 20234323220 in words is "twenty billion, two hundred thirty-four million, three hundred twenty-three thousand, two hundred twenty".