20011120202 has 8 divisors (see below), whose sum is σ = 30075653700. Its totient is φ = 9985902304.

The previous prime is 20011120193. The next prime is 20011120229. The reversal of 20011120202 is 20202111002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19943370841 + 67749361 = 141221^2 + 8231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9827627 + ... + 9829662.

Almost surely, 2^20011120202 is an apocalyptic number.

20011120202 is a deficient number, since it is larger than the sum of its proper divisors (10064533498).

20011120202 is a wasteful number, since it uses less digits than its factorization.

20011120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19657800.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20011120202 its reverse (20202111002), we get a palindrome (40213231204).

The spelling of 20011120202 in words is "twenty billion, eleven million, one hundred twenty thousand, two hundred two".