20123110032202 has 16 divisors (see below), whose sum is σ = 31501847573640. Its totient is φ = 9628634885632.

The previous prime is 20123110032197. The next prime is 20123110032203. The reversal of 20123110032202 is 20223001132102.

It can be written as a sum of positive squares in 4 ways, for example, as 7528553680041 + 12594556352161 = 2743821^2 + 3548881^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20123110032202.

It is not an unprimeable number, because it can be changed into a prime (20123110032203) 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, 1535171203 + ... + 1535184310.

Almost surely, 2^{20123110032202} is an apocalyptic number.

20123110032202 is a deficient number, since it is larger than the sum of its proper divisors (11378737541438).

20123110032202 is a wasteful number, since it uses less digits than its factorization.

20123110032202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070355657.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20123110032202 its reverse (20223001132102), we get a palindrome (40346111164304).

The spelling of 20123110032202 in words is "twenty trillion, one hundred twenty-three billion, one hundred ten million, thirty-two thousand, two hundred two".