20123210350 has 24 divisors (see below), whose sum is σ = 38440774008. Its totient is φ = 7831735200.

The previous prime is 20123210329. The next prime is 20123210351. The reversal of 20123210350 is 5301232102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123210351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5436856 + ... + 5440555.

It is an arithmetic number, because the mean of its divisors is an integer number (1601698917).

Almost surely, 2^20123210350 is an apocalyptic number.

20123210350 is a deficient number, since it is larger than the sum of its proper divisors (18317563658).

20123210350 is a wasteful number, since it uses less digits than its factorization.

20123210350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10877460 (or 10877455 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 20123210350 its reverse (5301232102), we get a palindrome (25424442452).

The spelling of 20123210350 in words is "twenty billion, one hundred twenty-three million, two hundred ten thousand, three hundred fifty".