20111140204 has 6 divisors (see below), whose sum is σ = 35194495364. Its totient is φ = 10055570100.

The previous prime is 20111140201. The next prime is 20111140249. The reversal of 20111140204 is 40204111102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20111140201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2513892522 + ... + 2513892529.

Almost surely, 2^20111140204 is an apocalyptic number.

It is an amenable number.

20111140204 is a deficient number, since it is larger than the sum of its proper divisors (15083355160).

20111140204 is a wasteful number, since it uses less digits than its factorization.

20111140204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027785055 (or 5027785053 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20111140204 its reverse (40204111102), we get a palindrome (60315251306).

The spelling of 20111140204 in words is "twenty billion, one hundred eleven million, one hundred forty thousand, two hundred four".