20110000001 has 16 divisors (see below), whose sum is σ = 24928848000. Its totient is φ = 15796729728.

The previous prime is 20109999989. The next prime is 20110000003. The reversal of 20110000001 is 10000001102.

It is a happy number.

It is not a de Polignac number, because 20110000001 - 2²⁶ = 20042891137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20110000001.

It is not an unprimeable number, because it can be changed into a prime (20110000003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782276 + ... + 807573.

It is an arithmetic number, because the mean of its divisors is an integer number (1558053000).

Almost surely, 2^20110000001 is an apocalyptic number.

It is an amenable number.

20110000001 is a deficient number, since it is larger than the sum of its proper divisors (4818847999).

20110000001 is a wasteful number, since it uses less digits than its factorization.

20110000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590008.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 20110000001 its reverse (10000001102), we get a palindrome (30110001103).

The spelling of 20110000001 in words is "twenty billion, one hundred ten million, one", and thus it is an aban number.