20113222202 has 4 divisors (see below), whose sum is σ = 30169833306. Its totient is φ = 10056611100.

The previous prime is 20113222153. The next prime is 20113222219. The reversal of 20113222202 is 20222231102.

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., 17506200721 + 2607021481 = 132311^2 + 51059^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5028305549 + ... + 5028305552.

Almost surely, 2^20113222202 is an apocalyptic number.

20113222202 is a deficient number, since it is larger than the sum of its proper divisors (10056611104).

20113222202 is a wasteful number, since it uses less digits than its factorization.

20113222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056611103.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20113222202 its reverse (20222231102), we get a palindrome (40335453304).

The spelling of 20113222202 in words is "twenty billion, one hundred thirteen million, two hundred twenty-two thousand, two hundred two".