20123210296 has 32 divisors (see below), whose sum is σ = 44512174080. Its totient is φ = 8346031200.

The previous prime is 20123210269. The next prime is 20123210297. The reversal of 20123210296 is 69201232102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123210297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5794120 + ... + 5797591.

It is an arithmetic number, because the mean of its divisors is an integer number (1391005440).

Almost surely, 2^20123210296 is an apocalyptic number.

It is an amenable number.

20123210296 is an abundant number, since it is smaller than the sum of its proper divisors (24388963784).

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

20123210296 is a wasteful number, since it uses less digits than its factorization.

20123210296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11591755 (or 11591751 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 20123210296 its reverse (69201232102), we get a palindrome (89324442398).

The spelling of 20123210296 in words is "twenty billion, one hundred twenty-three million, two hundred ten thousand, two hundred ninety-six".