20675110001 has 12 divisors (see below), whose sum is σ = 25586105472. Its totient is φ = 16358327856.

The previous prime is 20675109971. The next prime is 20675110019. The reversal of 20675110001 is 10001157602.

It is not a de Polignac number, because 20675110001 - 2⁶ = 20675109937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20675110801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8737241 + ... + 8739606.

It is an arithmetic number, because the mean of its divisors is an integer number (2132175456).

Almost surely, 2^20675110001 is an apocalyptic number.

It is an amenable number.

20675110001 is a deficient number, since it is larger than the sum of its proper divisors (4910995471).

20675110001 is a wasteful number, since it uses less digits than its factorization.

20675110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17476880 (or 17476867 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

Adding to 20675110001 its reverse (10001157602), we get a palindrome (30676267603).

The spelling of 20675110001 in words is "twenty billion, six hundred seventy-five million, one hundred ten thousand, one".