20011210200202 has 16 divisors (see below), whose sum is σ = 32611870133640. Its totient is φ = 9154209157632.

The previous prime is 20011210200199. The next prime is 20011210200227. The reversal of 20011210200202 is 20200201211002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8229147085201 + 11782063115001 = 2868649^2 + 3432501^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3405580827 + ... + 3405586702.

Almost surely, 2^{20011210200202} is an apocalyptic number.

20011210200202 is a deficient number, since it is larger than the sum of its proper divisors (12600659933438).

20011210200202 is a wasteful number, since it uses less digits than its factorization.

20011210200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811167657.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20011210200202 its reverse (20200201211002), we get a palindrome (40211411411204).

The spelling of 20011210200202 in words is "twenty trillion, eleven billion, two hundred ten million, two hundred thousand, two hundred two".