20222663008 has 48 divisors (see below), whose sum is σ = 41210394624. Its totient is φ = 9758321280.

The previous prime is 20222662951. The next prime is 20222663017. The reversal of 20222663008 is 80036622202.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336291 + ... + 391837.

It is an arithmetic number, because the mean of its divisors is an integer number (858549888).

Almost surely, 2^20222663008 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 20222663008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20605197312).

20222663008 is an abundant number, since it is smaller than the sum of its proper divisors (20987731616).

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

20222663008 is a wasteful number, since it uses less digits than its factorization.

20222663008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55955 (or 55947 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 20222663008 in words is "twenty billion, two hundred twenty-two million, six hundred sixty-three thousand, eight".