20768913422 has 16 divisors (see below), whose sum is σ = 31524129072. Its totient is φ = 10261426560.

The previous prime is 20768913421. The next prime is 20768913437. The reversal of 20768913422 is 22431986702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20768913421) 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, 64013 + ... + 213624.

It is an arithmetic number, because the mean of its divisors is an integer number (1970258067).

Almost surely, 2^20768913422 is an apocalyptic number.

20768913422 is a deficient number, since it is larger than the sum of its proper divisors (10755215650).

20768913422 is a wasteful number, since it uses less digits than its factorization.

20768913422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278083.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 20768913422 in words is "twenty billion, seven hundred sixty-eight million, nine hundred thirteen thousand, four hundred twenty-two".