20001100220210 has 16 divisors (see below), whose sum is σ = 36003530820096. Its totient is φ = 8000095549488.

The previous prime is 20001100220201. The next prime is 20001100220237. The reversal of 20001100220210 is 1202200110002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20001100220191 and 20001100220200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42823442 + ... + 43287981.

It is an arithmetic number, because the mean of its divisors is an integer number (2250220676256).

Almost surely, 2^{20001100220210} is an apocalyptic number.

20001100220210 is a deficient number, since it is larger than the sum of its proper divisors (16002430599886).

20001100220210 is a wasteful number, since it uses less digits than its factorization.

20001100220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86134657.

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

Adding to 20001100220210 its reverse (1202200110002), we get a palindrome (21203300330212).

The spelling of 20001100220210 in words is "twenty trillion, one billion, one hundred million, two hundred twenty thousand, two hundred ten".