20120110204 has 24 divisors (see below), whose sum is σ = 35734810160. Its totient is φ = 9910491264.

The previous prime is 20120110193. The next prime is 20120110237. The reversal of 20120110204 is 40201102102.

It is a happy number.

It is a super-2 number, since 2×20120110204² (a number of 21 digits) contains 22 as substring.

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, 208687 + ... + 289465.

Almost surely, 2^20120110204 is an apocalyptic number.

It is an amenable number.

20120110204 is a deficient number, since it is larger than the sum of its proper divisors (15614699956).

20120110204 is a wasteful number, since it uses less digits than its factorization.

20120110204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81709 (or 81707 counting only the distinct ones).

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

Adding to 20120110204 its reverse (40201102102), we get a palindrome (60321212306).

The spelling of 20120110204 in words is "twenty billion, one hundred twenty million, one hundred ten thousand, two hundred four".