20300223234 has 32 divisors (see below), whose sum is σ = 41712235200. Its totient is φ = 6581570112.

The previous prime is 20300223233. The next prime is 20300223259. The reversal of 20300223234 is 43232200302.

It is a self number, because there is not a number n which added to its sum of digits gives 20300223234.

It is not an unprimeable number, because it can be changed into a prime (20300223233) 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, 696792 + ... + 725340.

It is an arithmetic number, because the mean of its divisors is an integer number (1303507350).

Almost surely, 2^20300223234 is an apocalyptic number.

20300223234 is an abundant number, since it is smaller than the sum of its proper divisors (21412011966).

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

20300223234 is a wasteful number, since it uses less digits than its factorization.

20300223234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31794.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20300223234 its reverse (43232200302), we get a palindrome (63532423536).

The spelling of 20300223234 in words is "twenty billion, three hundred million, two hundred twenty-three thousand, two hundred thirty-four".