20623303008 has 144 divisors (see below), whose sum is σ = 73119062016. Its totient is φ = 5356696320.

The previous prime is 20623303003. The next prime is 20623303033. The reversal of 20623303008 is 80030332602.

20623303008 is a `hidden beast` number, since 2 + 0 + 623 + 3 + 0 + 30 + 0 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20623303003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 442816 + ... + 487167.

It is an arithmetic number, because the mean of its divisors is an integer number (507771264).

Almost surely, 2^20623303008 is an apocalyptic number.

20623303008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20623303008 is an abundant number, since it is smaller than the sum of its proper divisors (52495759008).

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

20623303008 is a wasteful number, since it uses less digits than its factorization.

20623303008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930017 (or 930006 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The spelling of 20623303008 in words is "twenty billion, six hundred twenty-three million, three hundred three thousand, eight".