20114642768 has 40 divisors (see below), whose sum is σ = 42691541376. Its totient is φ = 9105062400.

The previous prime is 20114642767. The next prime is 20114642833. The reversal of 20114642768 is 86724641102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20114642767) 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, 194696 + ... + 279527.

Almost surely, 2^20114642768 is an apocalyptic number.

It is an amenable number.

20114642768 is an abundant number, since it is smaller than the sum of its proper divisors (22576898608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20114642768 is a wasteful number, since it uses less digits than its factorization.

20114642768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474483 (or 474477 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 20114642768 in words is "twenty billion, one hundred fourteen million, six hundred forty-two thousand, seven hundred sixty-eight".