20473727076 has 144 divisors (see below), whose sum is σ = 58504635840. Its totient is φ = 6187104000.

The previous prime is 20473726969. The next prime is 20473727093. The reversal of 20473727076 is 67072737402.

20473727076 is a `hidden beast` number, since 204 + 7 + 372 + 7 + 0 + 76 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5238315 + ... + 5242221.

Almost surely, 2^20473727076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20473727076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29252317920).

20473727076 is an abundant number, since it is smaller than the sum of its proper divisors (38030908764).

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

20473727076 is a wasteful number, since it uses less digits than its factorization.

20473727076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343 (or 4324 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 45.

The spelling of 20473727076 in words is "twenty billion, four hundred seventy-three million, seven hundred twenty-seven thousand, seventy-six".