20069496576 has 144 divisors (see below), whose sum is σ = 59566002720. Its totient is φ = 6665379840.

The previous prime is 20069496569. The next prime is 20069496589. The reversal of 20069496576 is 67569496002.

20069496576 is a `hidden beast` number, since 2 + 0 + 0 + 69 + 4 + 9 + 6 + 576 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1937106 + ... + 1947438.

Almost surely, 2^20069496576 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 20069496576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29783001360).

20069496576 is an abundant number, since it is smaller than the sum of its proper divisors (39496506144).

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

20069496576 is a wasteful number, since it uses less digits than its factorization.

20069496576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10639 (or 10619 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 20069496576 in words is "twenty billion, sixty-nine million, four hundred ninety-six thousand, five hundred seventy-six".