20466800496 has 160 divisors (see below), whose sum is σ = 60946099200. Its totient is φ = 6571169280.

The previous prime is 20466800483. The next prime is 20466800561. The reversal of 20466800496 is 69400866402.

20466800496 is a `hidden beast` number, since 20 + 4 + 66 + 80 + 0 + 496 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1391935 + ... + 1406561.

It is an arithmetic number, because the mean of its divisors is an integer number (380913120).

Almost surely, 2^20466800496 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 20466800496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30473049600).

20466800496 is an abundant number, since it is smaller than the sum of its proper divisors (40479298704).

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

20466800496 is a wasteful number, since it uses less digits than its factorization.

20466800496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14764 (or 14752 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 20466800496 in words is "twenty billion, four hundred sixty-six million, eight hundred thousand, four hundred ninety-six".