20011100220002 has 32 divisors (see below), whose sum is σ = 30847787334000. Its totient is φ = 9730108800000.

The previous prime is 20011100219993. The next prime is 20011100220031. The reversal of 20011100220002 is 20002200111002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4218336791881 + 15792763428121 = 2053859^2 + 3974011^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49207502 + ... + 49612502.

Almost surely, 2^{20011100220002} is an apocalyptic number.

20011100220002 is a deficient number, since it is larger than the sum of its proper divisors (10836687113998).

20011100220002 is a wasteful number, since it uses less digits than its factorization.

20011100220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406982.

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

Adding to 20011100220002 its reverse (20002200111002), we get a palindrome (40013300331004).

It can be divided in two parts, 200111002 and 20002, that multiplied together give a palindrome (4002620262004).

The spelling of 20011100220002 in words is "twenty trillion, eleven billion, one hundred million, two hundred twenty thousand, two".