23620203236 has 72 divisors (see below), whose sum is σ = 50131509120. Its totient is φ = 9700786368.

The previous prime is 23620203203. The next prime is 23620203247. The reversal of 23620203236 is 63230202632.

It is a junction number, because it is equal to n+sod(n) for n = 23620203199 and 23620203208.

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, 420245 + ... + 473123.

It is an arithmetic number, because the mean of its divisors is an integer number (696270960).

Almost surely, 2^23620203236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23620203236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25065754560).

23620203236 is an abundant number, since it is smaller than the sum of its proper divisors (26511305884).

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

23620203236 is a wasteful number, since it uses less digits than its factorization.

23620203236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52993 (or 52984 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 23620203236 its reverse (63230202632), we get a palindrome (86850405868).

The spelling of 23620203236 in words is "twenty-three billion, six hundred twenty million, two hundred three thousand, two hundred thirty-six".