20102211122204 has 24 divisors (see below), whose sum is σ = 35297611658400. Its totient is φ = 10017193179456.

The previous prime is 20102211122171. The next prime is 20102211122233. The reversal of 20102211122204 is 40222111220102.

It is a happy number.

It is a congruent number.

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, 4025609 + ... + 7510655.

It is an arithmetic number, because the mean of its divisors is an integer number (1470733819100).

Almost surely, 2^{20102211122204} is an apocalyptic number.

It is an amenable number.

20102211122204 is a deficient number, since it is larger than the sum of its proper divisors (15195400536196).

20102211122204 is a wasteful number, since it uses less digits than its factorization.

20102211122204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489917 (or 3489915 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20102211122204 its reverse (40222111220102), we get a palindrome (60324322342306).

The spelling of 20102211122204 in words is "twenty trillion, one hundred two billion, two hundred eleven million, one hundred twenty-two thousand, two hundred four".