20467466688 has 224 divisors, whose sum is σ = 57770182656. Its totient is φ = 6381821952.

The previous prime is 20467466681. The next prime is 20467466689. The reversal of 20467466688 is 88666476402.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20467466681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55769481 + ... + 55769847.

Almost surely, 2^20467466688 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 20467466688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28885091328).

20467466688 is an abundant number, since it is smaller than the sum of its proper divisors (37302715968).

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

20467466688 is a wasteful number, since it uses less digits than its factorization.

20467466688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 57.

The spelling of 20467466688 in words is "twenty billion, four hundred sixty-seven million, four hundred sixty-six thousand, six hundred eighty-eight".