20473080768 has 168 divisors, whose sum is σ = 67250328288. Its totient is φ = 5833340928.

The previous prime is 20473080757. The next prime is 20473080839. The reversal of 20473080768 is 86708037402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×20473080768² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1497130 + ... + 1510742.

Almost surely, 2^20473080768 is an apocalyptic number.

20473080768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20473080768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33625164144).

20473080768 is an abundant number, since it is smaller than the sum of its proper divisors (46777247520).

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

20473080768 is a wasteful number, since it uses less digits than its factorization.

20473080768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14011 (or 13998 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 20473080768 in words is "twenty billion, four hundred seventy-three million, eighty thousand, seven hundred sixty-eight".