20442202000 has 160 divisors (see below), whose sum is σ = 54840240000. Its totient is φ = 7307072000.

The previous prime is 20442201991. The next prime is 20442202057. The reversal of 20442202000 is 20224402.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 31 ways as a sum of consecutive naturals, for example, 1290126 + ... + 1305874.

It is an arithmetic number, because the mean of its divisors is an integer number (342751500).

Almost surely, 2^20442202000 is an apocalyptic number.

20442202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20442202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27420120000).

20442202000 is an abundant number, since it is smaller than the sum of its proper divisors (34398038000).

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

20442202000 is a wasteful number, since it uses less digits than its factorization.

20442202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15842 (or 15826 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20442202000 its reverse (20224402), we get a palindrome (20462426402).

The spelling of 20442202000 in words is "twenty billion, four hundred forty-two million, two hundred two thousand".