20011110000201 has 24 divisors (see below), whose sum is σ = 29909400655680. Its totient is φ = 12877379452896.

The previous prime is 20011110000137. The next prime is 20011110000221. The reversal of 20011110000201 is 10200001111002.

It is a happy number.

It is not a de Polignac number, because 20011110000201 - 2⁶ = 20011110000137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20011110000221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8915511 + ... + 10931996.

It is an arithmetic number, because the mean of its divisors is an integer number (1246225027320).

Almost surely, 2^{20011110000201} is an apocalyptic number.

It is an amenable number.

20011110000201 is a deficient number, since it is larger than the sum of its proper divisors (9898290655479).

20011110000201 is a wasteful number, since it uses less digits than its factorization.

20011110000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19851405 (or 19851402 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20011110000201 its reverse (10200001111002), we get a palindrome (30211111111203).

The spelling of 20011110000201 in words is "twenty trillion, eleven billion, one hundred ten million, two hundred one", and thus it is an aban number.