20611230712 has 32 divisors (see below), whose sum is σ = 40929174720. Its totient is φ = 9697075200.

The previous prime is 20611230667. The next prime is 20611230719. The reversal of 20611230712 is 21703211602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20611230719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637153 + ... + 668719.

It is an arithmetic number, because the mean of its divisors is an integer number (1279036710).

Almost surely, 2^20611230712 is an apocalyptic number.

It is an amenable number.

20611230712 is a deficient number, since it is larger than the sum of its proper divisors (20317944008).

20611230712 is a wasteful number, since it uses less digits than its factorization.

20611230712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36391 (or 36387 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 20611230712 in words is "twenty billion, six hundred eleven million, two hundred thirty thousand, seven hundred twelve".