20111140004 has 12 divisors (see below), whose sum is σ = 35294198604. Its totient is φ = 10027083264.

The previous prime is 20111139977. The next prime is 20111140031. The reversal of 20111140004 is 40004111102.

It is an interprime number because it is at equal distance from previous prime (20111139977) and next prime (20111140031).

It can be written as a sum of positive squares in 2 ways, for example, as 12232802404 + 7878337600 = 110602^2 + 88760^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7120097 + ... + 7122920.

It is an arithmetic number, because the mean of its divisors is an integer number (2941183217).

Almost surely, 2^20111140004 is an apocalyptic number.

It is an amenable number.

20111140004 is a deficient number, since it is larger than the sum of its proper divisors (15183058600).

20111140004 is a wasteful number, since it uses less digits than its factorization.

20111140004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14243374 (or 14243372 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20111140004 its reverse (40004111102), we get a palindrome (60115251106).

The spelling of 20111140004 in words is "twenty billion, one hundred eleven million, one hundred forty thousand, four".