200122434864 has 200 divisors, whose sum is σ = 653657962320. Its totient is φ = 58551897600.

The previous prime is 200122434857. The next prime is 200122434881. The reversal of 200122434864 is 468434221002.

200122434864 is a `hidden beast` number, since 20 + 0 + 122 + 434 + 86 + 4 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 171394 + ... + 655454.

Almost surely, 2^200122434864 is an apocalyptic number.

200122434864 is a gapful number since it is divisible by the number (24) 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 200122434864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326828981160).

200122434864 is an abundant number, since it is smaller than the sum of its proper divisors (453535527456).

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

200122434864 is a wasteful number, since it uses less digits than its factorization.

200122434864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484121 (or 484106 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 200122434864 its reverse (468434221002), we get a palindrome (668556655866).

The spelling of 200122434864 in words is "two hundred billion, one hundred twenty-two million, four hundred thirty-four thousand, eight hundred sixty-four".