20633933496 has 192 divisors, whose sum is σ = 57615344640. Its totient is φ = 6152889600.

The previous prime is 20633933473. The next prime is 20633933501. The reversal of 20633933496 is 69433933602.

It is a congruent number.

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, 76139841 + ... + 76140111.

It is an arithmetic number, because the mean of its divisors is an integer number (300079920).

Almost surely, 2^20633933496 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 20633933496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28807672320).

20633933496 is an abundant number, since it is smaller than the sum of its proper divisors (36981411144).

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

20633933496 is a wasteful number, since it uses less digits than its factorization.

20633933496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 48.

The spelling of 20633933496 in words is "twenty billion, six hundred thirty-three million, nine hundred thirty-three thousand, four hundred ninety-six".