66422020200 has 96 divisors (see below), whose sum is σ = 216745576800. Its totient is φ = 16780296960.

The previous prime is 66422020199. The next prime is 66422020201. The reversal of 66422020200 is 202022466.

It is an interprime number because it is at equal distance from previous prime (66422020199) and next prime (66422020201).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (66422020201) 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, 2901847 + ... + 2924646.

It is an arithmetic number, because the mean of its divisors is an integer number (2257766425).

Almost surely, 2^66422020200 is an apocalyptic number.

66422020200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66422020200 is an abundant number, since it is smaller than the sum of its proper divisors (150323556600).

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

66422020200 is a wasteful number, since it uses less digits than its factorization.

66422020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826531 (or 5826522 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 66422020200 its reverse (202022466), we get a palindrome (66624042666).

The spelling of 66422020200 in words is "sixty-six billion, four hundred twenty-two million, twenty thousand, two hundred".