20061454608 has 360 divisors, whose sum is σ = 65548111200. Its totient is φ = 5706215424.

The previous prime is 20061454601. The next prime is 20061454619. The reversal of 20061454608 is 80645416002.

20061454608 is a `hidden beast` number, since 2 + 0 + 0 + 6 + 1 + 45 + 4 + 608 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20061454601) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19882008 + ... + 19883016.

Almost surely, 2^20061454608 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 20061454608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32774055600).

20061454608 is an abundant number, since it is smaller than the sum of its proper divisors (45486656592).

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

20061454608 is a wasteful number, since it uses less digits than its factorization.

20061454608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 20061454608 in words is "twenty billion, sixty-one million, four hundred fifty-four thousand, six hundred eight".