20001123202 has 4 divisors (see below), whose sum is σ = 30001684806. Its totient is φ = 10000561600.

The previous prime is 20001123161. The next prime is 20001123221. The reversal of 20001123202 is 20232110002.

20001123202 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17213177601 + 2787945601 = 131199^2 + 52801^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000280799 + ... + 5000280802.

Almost surely, 2^20001123202 is an apocalyptic number.

20001123202 is a deficient number, since it is larger than the sum of its proper divisors (10000561604).

20001123202 is a wasteful number, since it uses less digits than its factorization.

20001123202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000561603.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20001123202 its reverse (20232110002), we get a palindrome (40233233204).

The spelling of 20001123202 in words is "twenty billion, one million, one hundred twenty-three thousand, two hundred two".