20120002202 has 4 divisors (see below), whose sum is σ = 30180003306. Its totient is φ = 10060001100.

The previous prime is 20120002171. The next prime is 20120002207. The reversal of 20120002202 is 20220002102.

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., 17587799161 + 2532203041 = 132619^2 + 50321^2 .

It is not an unprimeable number, because it can be changed into a prime (20120002207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5030000549 + ... + 5030000552.

Almost surely, 2^20120002202 is an apocalyptic number.

20120002202 is a deficient number, since it is larger than the sum of its proper divisors (10060001104).

20120002202 is a wasteful number, since it uses less digits than its factorization.

20120002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10060001103.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20120002202 its reverse (20220002102), we get a palindrome (40340004304).

The spelling of 20120002202 in words is "twenty billion, one hundred twenty million, two thousand, two hundred two".